http://git-wip-us.apache.org/repos/asf/predictionio-site/blob/b1f44c15/customize/troubleshooting/index.html
----------------------------------------------------------------------
diff --git a/customize/troubleshooting/index.html 
b/customize/troubleshooting/index.html
index 1f5420a..d68edea 100644
--- a/customize/troubleshooting/index.html
+++ b/customize/troubleshooting/index.html
@@ -1,4 +1,4 @@
-<!DOCTYPE html><html><head><title>Engine Development - 
Troubleshoot</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" 
http-equiv="X-UA-Compatible"/><meta name="viewport" 
content="width=device-width, initial-scale=1.0"/><meta class="swiftype" 
name="title" data-type="string" content="Engine Development - 
Troubleshoot"/><link rel="canonical" 
href="https://predictionio.apache.org/customize/troubleshooting/"/><link 
href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link 
href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link 
href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800"
 rel="stylesheet"/><link 
href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" 
rel="stylesheet"/><link href="/stylesheets/application-eccfc6cb.css" 
rel="stylesheet" type="text/css"/><script 
src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5shiv.min.js"></script><script
 src="/
 
/cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script><script
 src="//use.typekit.net/pqo0itb.js"></script><script>try{Typekit.load({ async: 
true });}catch(e){}</script></head><body><div id="global"><header><div 
class="container" id="header-wrapper"><div class="row"><div 
class="col-sm-12"><div id="logo-wrapper"><span id="drawer-toggle"></span><a 
href="#"></a><a href="http://predictionio.apache.org/";><img alt="Apache 
PredictionIO" id="logo" 
src="/images/logos/logo-ee2b9bb3.png"/></a><span>®</span></div><div 
id="menu-wrapper"><div id="pill-wrapper"><a class="pill left" 
href="/gallery/template-gallery">TEMPLATES</a> <a class="pill right" 
href="//github.com/apache/predictionio/">OPEN SOURCE</a></div></div><img 
class="mobile-search-bar-toggler hidden-md hidden-lg" 
src="/images/icons/search-glass-704bd4ff.png"/></div></div></div></header><div 
id="search-bar-row-wrapper"><div class="container-fluid" 
id="search-bar-row"><div class="row"><div class="col-md-9 col-s
 m-11 col-xs-11"><div class="hidden-md hidden-lg" 
id="mobile-page-heading-wrapper"><p>PredictionIO Docs</p><h4>Troubleshooting 
Engine Development</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO 
Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img 
id="left-menu-indicator" 
src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 
col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form 
class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" 
src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img 
src="/images/icons/search-glass-704bd4ff.png"/><input type="text" 
id="st-search-input" class="st-search-input" placeholder="Search 
Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" 
src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div 
class="mobile-left-menu-toggler hidden-md 
hidden-lg"></div></div></div></div><div id="page" class="container-fluid"><div 
class="r
 ow"><div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li 
class="level-1"><a class="expandible" href="/"><span>Apache PredictionIO® 
Documentation</span></a><ul><li class="level-2"><a class="final" 
href="/"><span>Welcome to Apache PredictionIO®</span></a></li></ul></li><li 
class="level-1"><a class="expandible" href="#"><span>Getting 
Started</span></a><ul><li class="level-2"><a class="final" 
href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a 
class="final" href="/install/"><span>Installing Apache 
PredictionIO</span></a></li><li class="level-2"><a class="final" 
href="/start/download/"><span>Downloading an Engine Template</span></a></li><li 
class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your 
First Engine</span></a></li><li class="level-2"><a class="final" 
href="/start/customize/"><span>Customizing the 
Engine</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>Integrating with Your App</span></
 a><ul><li class="level-2"><a class="final" href="/appintegration/"><span>App 
Integration Overview</span></a></li><li class="level-2"><a class="expandible" 
href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a 
class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li 
class="level-3"><a class="final" href="/sdk/php/"><span>PHP 
SDK</span></a></li><li class="level-3"><a class="final" 
href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a 
class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li 
class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered 
SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a 
class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li 
class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web 
Service</span></a></li><li class="level-2"><a class="final" 
href="/batchpredict/"><span>Batch Predictions</span></a></li><li 
class="level-2"><a class="
 final" href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li 
class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting 
Engine Parameters</span></a></li><li class="level-2"><a class="final" 
href="/deploy/enginevariants/"><span>Deploying Multiple Engine 
Variants</span></a></li><li class="level-2"><a class="final" 
href="/deploy/plugin/"><span>Engine Server Plugin</span></a></li></ul></li><li 
class="level-1"><a class="expandible" href="#"><span>Customizing an 
Engine</span></a><ul><li class="level-2"><a class="final" 
href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a 
class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li 
class="level-2"><a class="final active" 
href="/customize/troubleshooting/"><span>Troubleshooting Engine 
Development</span></a></li><li class="level-2"><a class="final" 
href="/api/current/#package"><span>Engine Scala 
APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" hr
 ef="#"><span>Collecting and Analyzing Data</span></a><ul><li 
class="level-2"><a class="final" href="/datacollection/"><span>Event Server 
Overview</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/eventapi/"><span>Collecting Data with 
REST/SDKs</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li 
class="level-2"><a class="final" 
href="/datacollection/webhooks/"><span>Unifying Multichannel Data with 
Webhooks</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/channel/"><span>Channel</span></a></li><li 
class="level-2"><a class="final" 
href="/datacollection/batchimport/"><span>Importing Data in 
Batch</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/analytics/"><span>Using Analytics 
Tools</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/plugin/"><span>Event Server 
Plugin</span></a></li></ul></li><li class="level-1"><a c
 lass="expandible" href="#"><span>Choosing an Algorithm(s)</span></a><ul><li 
class="level-2"><a class="final" href="/algorithm/"><span>Built-in Algorithm 
Libraries</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/switch/"><span>Switching to Another 
Algorithm</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/multiple/"><span>Combining Multiple 
Algorithms</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/custom/"><span>Adding Your Own 
Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a 
class="final" href="/evaluation/"><span>Overview</span></a></li><li 
class="level-2"><a class="final" 
href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li 
class="level-2"><a class="final" 
href="/evaluation/evaluationdashboard/"><span>Evaluation 
Dashboard</span></a></li><li class="level-2"><a class="final" href="/evaluatio
 n/metricchoose/"><span>Choosing Evaluation Metrics</span></a></li><li 
class="level-2"><a class="final" href="/evaluation/metricbuild/"><span>Building 
Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a 
class="expandible" href="#"><span>System Architecture</span></a><ul><li 
class="level-2"><a class="final" href="/system/"><span>Architecture 
Overview</span></a></li><li class="level-2"><a class="final" 
href="/system/anotherdatastore/"><span>Using Another Data 
Store</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>PredictionIO® Official Templates</span></a><ul><li 
class="level-2"><a class="final" 
href="/templates/"><span>Intro</span></a></li><li class="level-2"><a 
class="expandible" href="#"><span>Recommendation</span></a><ul><li 
class="level-3"><a class="final" 
href="/templates/recommendation/quickstart/"><span>Quick 
Start</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/dase/"><span>DASE</span></a></li
 ><li class="level-3"><a class="final" 
 >href="/templates/recommendation/evaluation/"><span>Evaluation 
 >Explained</span></a></li><li class="level-3"><a class="final" 
 >href="/templates/recommendation/how-to/"><span>How-To</span></a></li><li 
 >class="level-3"><a class="final" 
 >href="/templates/recommendation/reading-custom-events/"><span>Read Custom 
 >Events</span></a></li><li class="level-3"><a class="final" 
 >href="/templates/recommendation/customize-data-prep/"><span>Customize Data 
 >Preparator</span></a></li><li class="level-3"><a class="final" 
 >href="/templates/recommendation/customize-serving/"><span>Customize 
 >Serving</span></a></li><li class="level-3"><a class="final" 
 >href="/templates/recommendation/training-with-implicit-preference/"><span>Train
 > with Implicit Preference</span></a></li><li class="level-3"><a class="final" 
 >href="/templates/recommendation/blacklist-items/"><span>Filter Recommended 
 >Items by Blacklist in Query</span></a></li><li class="level-3"><a 
 >class="final" href="/templates/r
 ecommendation/batch-evaluator/"><span>Batch Persistable 
Evaluator</span></a></li></ul></li><li class="level-2"><a class="expandible" 
href="#"><span>E-Commerce Recommendation</span></a><ul><li class="level-3"><a 
class="final" href="/templates/ecommercerecommendation/quickstart/"><span>Quick 
Start</span></a></li><li class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/dase/"><span>DASE</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/how-to/"><span>How-To</span></a></li><li
 class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/train-with-rate-event/"><span>Train 
with Rate Event</span></a></li><li class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/adjust-score/"><span>Adjust 
Score</span></a></li></ul></li><li class="level-2"><a class="expandible" 
href="#"><span>Similar Product</span></a><ul><li class="level-3"><a 
class="final" href="/templates/similarproduct/quickstart/"><span>Qu
 ick Start</span></a></li><li class="level-3"><a class="final" 
href="/templates/similarproduct/dase/"><span>DASE</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/similarproduct/how-to/"><span>How-To</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/similarproduct/multi-events-multi-algos/"><span>Multiple 
Events and Multiple Algorithms</span></a></li><li class="level-3"><a 
class="final" 
href="/templates/similarproduct/return-item-properties/"><span>Returns Item 
Properties</span></a></li><li class="level-3"><a class="final" 
href="/templates/similarproduct/train-with-rate-event/"><span>Train with Rate 
Event</span></a></li><li class="level-3"><a class="final" 
href="/templates/similarproduct/rid-user-set-event/"><span>Get Rid of Events 
for Users</span></a></li><li class="level-3"><a class="final" 
href="/templates/similarproduct/recommended-user/"><span>Recommend 
Users</span></a></li></ul></li><li class="level-2"><a class="expandible" 
href="#"><span>C
 lassification</span></a><ul><li class="level-3"><a class="final" 
href="/templates/classification/quickstart/"><span>Quick 
Start</span></a></li><li class="level-3"><a class="final" 
href="/templates/classification/dase/"><span>DASE</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/classification/how-to/"><span>How-To</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/classification/add-algorithm/"><span>Use Alternative 
Algorithm</span></a></li><li class="level-3"><a class="final" 
href="/templates/classification/reading-custom-properties/"><span>Read Custom 
Properties</span></a></li></ul></li></ul></li><li class="level-1"><a 
class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li 
class="level-2"><a class="final" 
href="/gallery/template-gallery/"><span>Browse</span></a></li><li 
class="level-2"><a class="final" 
href="/community/submit-template/"><span>Submit your Engine as a 
Template</span></a></li></ul></li><li class="level-1"><a 
 class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li 
class="level-2"><a class="final" href="/demo/tapster/"><span>Comics 
Recommendation Demo</span></a></li><li class="level-2"><a class="final" 
href="/demo/community/"><span>Community Contributed Demo</span></a></li><li 
class="level-2"><a class="final" href="/demo/textclassification/"><span>Text 
Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a 
class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li 
class="level-2"><a class="final" 
href="/community/contribute-code/"><span>Contribute Code</span></a></li><li 
class="level-2"><a class="final" 
href="/community/contribute-documentation/"><span>Contribute 
Documentation</span></a></li><li class="level-2"><a class="final" 
href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li 
class="level-2"><a class="final" 
href="/community/contribute-webhook/"><span>Contribute a 
Webhook</span></a></li><li class="level-2"><
 a class="final" href="/community/projects/"><span>Community 
Projects</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>Getting Help</span></a><ul><li class="level-2"><a class="final" 
href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a 
class="final" href="/support/"><span>Support</span></a></li></ul></li><li 
class="level-1"><a class="expandible" 
href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" 
href="/cli/"><span>Command-line Interface</span></a></li><li class="level-2"><a 
class="final" href="/resources/release/"><span>Release 
Cadence</span></a></li><li class="level-2"><a class="final" 
href="/resources/intellij/"><span>Developing Engines with IntelliJ 
IDEA</span></a></li><li class="level-2"><a class="final" 
href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li 
class="level-2"><a class="final" 
href="/resources/glossary/"><span>Glossary</span></a></li></ul></li><li 
class="level-1"><a class=
 "expandible" href="#"><span>Apache Software Foundation</span></a><ul><li 
class="level-2"><a class="final" href="https://www.apache.org/";><span>Apache 
Homepage</span></a></li><li class="level-2"><a class="final" 
href="https://www.apache.org/licenses/";><span>License</span></a></li><li 
class="level-2"><a class="final" 
href="https://www.apache.org/foundation/sponsorship.html";><span>Sponsorship</span></a></li><li
 class="level-2"><a class="final" 
href="https://www.apache.org/foundation/thanks.html";><span>Thanks</span></a></li><li
 class="level-2"><a class="final" 
href="https://www.apache.org/security/";><span>Security</span></a></li></ul></li></ul></nav></div><div
 class="col-md-9 col-sm-12"><div class="content-header hidden-md 
hidden-lg"><div id="breadcrumbs" class="hidden-sm hidden xs"><ul><li><a 
href="#">Customizing an Engine</a><span 
class="spacer">&gt;</span></li><li><span class="last">Troubleshooting Engine 
Development</span></li></ul></div><div id="page-title"><h1>Engine Development -
  Troubleshoot</h1></div></div><div id="table-of-content-wrapper"><h5>On this 
page</h5><aside id="table-of-contents"><ul> <li> <a 
href="#stop-training-between-stages">Stop Training between Stages</a> </li> 
<li> <a href="#sanity-check">Sanity Check</a> </li> <li> <a 
href="#engine-status-page">Engine Status Page</a> </li> <li> <a 
href="#pio-shell">pio-shell</a> </li> </ul> </aside><hr/><a id="edit-page-link" 
href="https://github.com/apache/predictionio/tree/livedoc/docs/manual/source/customize/troubleshooting.html.md";><img
 src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div 
class="content-header hidden-sm hidden-xs"><div id="breadcrumbs" 
class="hidden-sm hidden xs"><ul><li><a href="#">Customizing an Engine</a><span 
class="spacer">&gt;</span></li><li><span class="last">Troubleshooting Engine 
Development</span></li></ul></div><div id="page-title"><h1>Engine Development - 
Troubleshoot</h1></div></div><div class="content"> <p>Apache PredictionIO 
provides the followin
 g features to help you debug engines during development cycle.</p><h2 
id='stop-training-between-stages' class='header-anchors'>Stop Training between 
Stages</h2><p>By default <code>pio train</code> runs through the whole training 
process including <a href="/templates/recommendation/dase/">DataSource, 
Preparator and Algorithm</a>. To speed up the development and debug cycle, you 
can stop the process after each stage to verify it has completed 
correctly.</p><p>If you have modified DataSource and want to confirm the 
TrainingData is generated as expected, you can run <code>pio train</code> with 
<code>--stop-after-read</code> option:</p><div class="highlight shell"><table 
style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: 
right"><pre class="lineno">1</pre></td><td class="code"><pre>pio train 
--stop-after-read
+<!DOCTYPE html><html><head><title>Engine Development - 
Troubleshoot</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" 
http-equiv="X-UA-Compatible"/><meta name="viewport" 
content="width=device-width, initial-scale=1.0"/><meta class="swiftype" 
name="title" data-type="string" content="Engine Development - 
Troubleshoot"/><link rel="canonical" 
href="https://predictionio.apache.org/customize/troubleshooting/"/><link 
href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link 
href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link 
href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800"
 rel="stylesheet"/><link 
href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" 
rel="stylesheet"/><link href="/stylesheets/application-eccfc6cb.css" 
rel="stylesheet" type="text/css"/><script 
src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5shiv.min.js"></script><script
 src="/
 
/cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script><script
 src="//use.typekit.net/pqo0itb.js"></script><script>try{Typekit.load({ async: 
true });}catch(e){}</script></head><body><div id="global"><header><div 
class="container" id="header-wrapper"><div class="row"><div 
class="col-sm-12"><div id="logo-wrapper"><span id="drawer-toggle"></span><a 
href="#"></a><a href="http://predictionio.apache.org/";><img alt="Apache 
PredictionIO" id="logo" 
src="/images/logos/logo-ee2b9bb3.png"/></a><span>®</span></div><div 
id="menu-wrapper"><div id="pill-wrapper"><a class="pill left" 
href="/gallery/template-gallery">TEMPLATES</a> <a class="pill right" 
href="//github.com/apache/predictionio/">OPEN SOURCE</a></div></div><img 
class="mobile-search-bar-toggler hidden-md hidden-lg" 
src="/images/icons/search-glass-704bd4ff.png"/></div></div></div></header><div 
id="search-bar-row-wrapper"><div class="container-fluid" 
id="search-bar-row"><div class="row"><div class="col-md-9 col-s
 m-11 col-xs-11"><div class="hidden-md hidden-lg" 
id="mobile-page-heading-wrapper"><p>PredictionIO Docs</p><h4>Troubleshooting 
Engine Development</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO 
Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img 
id="left-menu-indicator" 
src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 
col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form 
class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" 
src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img 
src="/images/icons/search-glass-704bd4ff.png"/><input type="text" 
id="st-search-input" class="st-search-input" placeholder="Search 
Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" 
src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div 
class="mobile-left-menu-toggler hidden-md 
hidden-lg"></div></div></div></div><div id="page" class="container-fluid"><div 
class="r
 ow"><div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li 
class="level-1"><a class="expandible" href="/"><span>Apache PredictionIO® 
Documentation</span></a><ul><li class="level-2"><a class="final" 
href="/"><span>Welcome to Apache PredictionIO®</span></a></li></ul></li><li 
class="level-1"><a class="expandible" href="#"><span>Getting 
Started</span></a><ul><li class="level-2"><a class="final" 
href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a 
class="final" href="/install/"><span>Installing Apache 
PredictionIO</span></a></li><li class="level-2"><a class="final" 
href="/start/download/"><span>Downloading an Engine Template</span></a></li><li 
class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your 
First Engine</span></a></li><li class="level-2"><a class="final" 
href="/start/customize/"><span>Customizing the 
Engine</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>Integrating with Your App</span></
 a><ul><li class="level-2"><a class="final" href="/appintegration/"><span>App 
Integration Overview</span></a></li><li class="level-2"><a class="expandible" 
href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a 
class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li 
class="level-3"><a class="final" href="/sdk/php/"><span>PHP 
SDK</span></a></li><li class="level-3"><a class="final" 
href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a 
class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li 
class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered 
SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a 
class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li 
class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web 
Service</span></a></li><li class="level-2"><a class="final" 
href="/batchpredict/"><span>Batch Predictions</span></a></li><li 
class="level-2"><a class="
 final" href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li 
class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting 
Engine Parameters</span></a></li><li class="level-2"><a class="final" 
href="/deploy/enginevariants/"><span>Deploying Multiple Engine 
Variants</span></a></li><li class="level-2"><a class="final" 
href="/deploy/plugin/"><span>Engine Server Plugin</span></a></li></ul></li><li 
class="level-1"><a class="expandible" href="#"><span>Customizing an 
Engine</span></a><ul><li class="level-2"><a class="final" 
href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a 
class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li 
class="level-2"><a class="final active" 
href="/customize/troubleshooting/"><span>Troubleshooting Engine 
Development</span></a></li><li class="level-2"><a class="final" 
href="/api/current/#package"><span>Engine Scala 
APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" hr
 ef="#"><span>Collecting and Analyzing Data</span></a><ul><li 
class="level-2"><a class="final" href="/datacollection/"><span>Event Server 
Overview</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/eventapi/"><span>Collecting Data with 
REST/SDKs</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li 
class="level-2"><a class="final" 
href="/datacollection/webhooks/"><span>Unifying Multichannel Data with 
Webhooks</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/channel/"><span>Channel</span></a></li><li 
class="level-2"><a class="final" 
href="/datacollection/batchimport/"><span>Importing Data in 
Batch</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/analytics/"><span>Using Analytics 
Tools</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/plugin/"><span>Event Server 
Plugin</span></a></li></ul></li><li class="level-1"><a c
 lass="expandible" href="#"><span>Choosing an Algorithm</span></a><ul><li 
class="level-2"><a class="final" href="/algorithm/"><span>Built-in Algorithm 
Libraries</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/switch/"><span>Switching to Another 
Algorithm</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/multiple/"><span>Combining Multiple 
Algorithms</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/custom/"><span>Adding Your Own 
Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a 
class="final" href="/evaluation/"><span>Overview</span></a></li><li 
class="level-2"><a class="final" 
href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li 
class="level-2"><a class="final" 
href="/evaluation/evaluationdashboard/"><span>Evaluation 
Dashboard</span></a></li><li class="level-2"><a class="final" 
href="/evaluation/m
 etricchoose/"><span>Choosing Evaluation Metrics</span></a></li><li 
class="level-2"><a class="final" href="/evaluation/metricbuild/"><span>Building 
Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a 
class="expandible" href="#"><span>System Architecture</span></a><ul><li 
class="level-2"><a class="final" href="/system/"><span>Architecture 
Overview</span></a></li><li class="level-2"><a class="final" 
href="/system/anotherdatastore/"><span>Using Another Data 
Store</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>PredictionIO® Official Templates</span></a><ul><li 
class="level-2"><a class="final" 
href="/templates/"><span>Intro</span></a></li><li class="level-2"><a 
class="expandible" href="#"><span>Recommendation</span></a><ul><li 
class="level-3"><a class="final" 
href="/templates/recommendation/quickstart/"><span>Quick 
Start</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/dase/"><span>DASE</span></a></li><l
 i class="level-3"><a class="final" 
href="/templates/recommendation/evaluation/"><span>Evaluation 
Explained</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/how-to/"><span>How-To</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/recommendation/reading-custom-events/"><span>Read Custom 
Events</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/customize-data-prep/"><span>Customize Data 
Preparator</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/customize-serving/"><span>Customize 
Serving</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/training-with-implicit-preference/"><span>Train 
with Implicit Preference</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/blacklist-items/"><span>Filter Recommended 
Items by Blacklist in Query</span></a></li><li class="level-3"><a class="final" 
href="/templates/reco
 mmendation/batch-evaluator/"><span>Batch Persistable 
Evaluator</span></a></li></ul></li><li class="level-2"><a class="expandible" 
href="#"><span>E-Commerce Recommendation</span></a><ul><li class="level-3"><a 
class="final" href="/templates/ecommercerecommendation/quickstart/"><span>Quick 
Start</span></a></li><li class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/dase/"><span>DASE</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/how-to/"><span>How-To</span></a></li><li
 class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/train-with-rate-event/"><span>Train 
with Rate Event</span></a></li><li class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/adjust-score/"><span>Adjust 
Score</span></a></li></ul></li><li class="level-2"><a class="expandible" 
href="#"><span>Similar Product</span></a><ul><li class="level-3"><a 
class="final" href="/templates/similarproduct/quickstart/"><span>Quick
  Start</span></a></li><li class="level-3"><a class="final" 
href="/templates/similarproduct/dase/"><span>DASE</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/similarproduct/how-to/"><span>How-To</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/similarproduct/multi-events-multi-algos/"><span>Multiple 
Events and Multiple Algorithms</span></a></li><li class="level-3"><a 
class="final" 
href="/templates/similarproduct/return-item-properties/"><span>Returns Item 
Properties</span></a></li><li class="level-3"><a class="final" 
href="/templates/similarproduct/train-with-rate-event/"><span>Train with Rate 
Event</span></a></li><li class="level-3"><a class="final" 
href="/templates/similarproduct/rid-user-set-event/"><span>Get Rid of Events 
for Users</span></a></li><li class="level-3"><a class="final" 
href="/templates/similarproduct/recommended-user/"><span>Recommend 
Users</span></a></li></ul></li><li class="level-2"><a class="expandible" 
href="#"><span>Clas
 sification</span></a><ul><li class="level-3"><a class="final" 
href="/templates/classification/quickstart/"><span>Quick 
Start</span></a></li><li class="level-3"><a class="final" 
href="/templates/classification/dase/"><span>DASE</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/classification/how-to/"><span>How-To</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/classification/add-algorithm/"><span>Use Alternative 
Algorithm</span></a></li><li class="level-3"><a class="final" 
href="/templates/classification/reading-custom-properties/"><span>Read Custom 
Properties</span></a></li></ul></li></ul></li><li class="level-1"><a 
class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li 
class="level-2"><a class="final" 
href="/gallery/template-gallery/"><span>Browse</span></a></li><li 
class="level-2"><a class="final" 
href="/community/submit-template/"><span>Submit your Engine as a 
Template</span></a></li></ul></li><li class="level-1"><a cla
 ss="expandible" href="#"><span>Demo Tutorials</span></a><ul><li 
class="level-2"><a class="final" href="/demo/tapster/"><span>Comics 
Recommendation Demo</span></a></li><li class="level-2"><a class="final" 
href="/demo/community/"><span>Community Contributed Demo</span></a></li><li 
class="level-2"><a class="final" href="/demo/textclassification/"><span>Text 
Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a 
class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li 
class="level-2"><a class="final" 
href="/community/contribute-code/"><span>Contribute Code</span></a></li><li 
class="level-2"><a class="final" 
href="/community/contribute-documentation/"><span>Contribute 
Documentation</span></a></li><li class="level-2"><a class="final" 
href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li 
class="level-2"><a class="final" 
href="/community/contribute-webhook/"><span>Contribute a 
Webhook</span></a></li><li class="level-2"><a c
 lass="final" href="/community/projects/"><span>Community 
Projects</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>Getting Help</span></a><ul><li class="level-2"><a class="final" 
href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a 
class="final" href="/support/"><span>Support</span></a></li></ul></li><li 
class="level-1"><a class="expandible" 
href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" 
href="/cli/"><span>Command-line Interface</span></a></li><li class="level-2"><a 
class="final" href="/resources/release/"><span>Release 
Cadence</span></a></li><li class="level-2"><a class="final" 
href="/resources/intellij/"><span>Developing Engines with IntelliJ 
IDEA</span></a></li><li class="level-2"><a class="final" 
href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li 
class="level-2"><a class="final" 
href="/resources/glossary/"><span>Glossary</span></a></li></ul></li><li 
class="level-1"><a class="ex
 pandible" href="#"><span>Apache Software Foundation</span></a><ul><li 
class="level-2"><a class="final" href="https://www.apache.org/";><span>Apache 
Homepage</span></a></li><li class="level-2"><a class="final" 
href="https://www.apache.org/licenses/";><span>License</span></a></li><li 
class="level-2"><a class="final" 
href="https://www.apache.org/foundation/sponsorship.html";><span>Sponsorship</span></a></li><li
 class="level-2"><a class="final" 
href="https://www.apache.org/foundation/thanks.html";><span>Thanks</span></a></li><li
 class="level-2"><a class="final" 
href="https://www.apache.org/security/";><span>Security</span></a></li></ul></li></ul></nav></div><div
 class="col-md-9 col-sm-12"><div class="content-header hidden-md 
hidden-lg"><div id="breadcrumbs" class="hidden-sm hidden xs"><ul><li><a 
href="#">Customizing an Engine</a><span 
class="spacer">&gt;</span></li><li><span class="last">Troubleshooting Engine 
Development</span></li></ul></div><div id="page-title"><h1>Engine Development - 
Tr
 oubleshoot</h1></div></div><div id="table-of-content-wrapper"><h5>On this 
page</h5><aside id="table-of-contents"><ul> <li> <a 
href="#stop-training-between-stages">Stop Training between Stages</a> </li> 
<li> <a href="#sanity-check">Sanity Check</a> </li> <li> <a 
href="#engine-status-page">Engine Status Page</a> </li> <li> <a 
href="#pio-shell">pio-shell</a> </li> </ul> </aside><hr/><a id="edit-page-link" 
href="https://github.com/apache/predictionio/tree/livedoc/docs/manual/source/customize/troubleshooting.html.md";><img
 src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div 
class="content-header hidden-sm hidden-xs"><div id="breadcrumbs" 
class="hidden-sm hidden xs"><ul><li><a href="#">Customizing an Engine</a><span 
class="spacer">&gt;</span></li><li><span class="last">Troubleshooting Engine 
Development</span></li></ul></div><div id="page-title"><h1>Engine Development - 
Troubleshoot</h1></div></div><div class="content"> <p>Apache PredictionIO 
provides the following f
 eatures to help you debug engines during development cycle.</p><h2 
id='stop-training-between-stages' class='header-anchors'>Stop Training between 
Stages</h2><p>By default <code>pio train</code> runs through the whole training 
process including <a href="/templates/recommendation/dase/">DataSource, 
Preparator and Algorithm</a>. To speed up the development and debug cycle, you 
can stop the process after each stage to verify it has completed 
correctly.</p><p>If you have modified DataSource and want to confirm the 
TrainingData is generated as expected, you can run <code>pio train</code> with 
<code>--stop-after-read</code> option:</p><div class="highlight shell"><table 
style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: 
right"><pre class="lineno">1</pre></td><td class="code"><pre>pio train 
--stop-after-read
 </pre></td></tr></tbody></table> </div> <p>This would stop the training 
process after the TrainingData is generated.</p><p>For example, if you are 
running <a href="/templates/recommendation/quickstart/">Recommendation 
Template</a>, you should see the the training process stops after the 
TrainingData is printed.</p><div class="highlight shell"><table 
style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: 
right"><pre class="lineno">1
 2
 3
@@ -77,7 +77,7 @@ Exception <span class="k">in </span>thread <span 
class="s2">"main"</span> java.l
 3</pre></td><td class="code"><pre>...
 15/05/18 14:24:42 INFO DAGScheduler: Job 0 finished: collect at 
&lt;console&gt;:24, took 1.850779 s
 c: Array[org.apache.predictionio.data.storage.Event] <span class="o">=</span> 
Array<span class="o">(</span>Event<span class="o">(</span><span 
class="nv">id</span><span class="o">=</span>Some<span 
class="o">(</span>AaQUUBsFZxteRpDV_7fDGQAAAU1ZfRW1tX9LSWdZSb0<span 
class="o">)</span>,event<span class="o">=</span><span 
class="nv">$set</span>,eType<span class="o">=</span>item,eId<span 
class="o">=</span>i42,tType<span class="o">=</span>None,tId<span 
class="o">=</span>None,p<span class="o">=</span>DataMap<span 
class="o">(</span>Map<span class="o">(</span>categories -&gt; JArray<span 
class="o">(</span>List<span class="o">(</span>JString<span 
class="o">(</span>c2<span class="o">)</span>, JString<span 
class="o">(</span>c1<span class="o">)</span>, JString<span 
class="o">(</span>c6<span class="o">)</span>, JString<span 
class="o">(</span>c3<span class="o">)))))</span>,t<span 
class="o">=</span>2015-05-15T21:31:19.349Z,tags<span 
class="o">=</span>List<span class="o">()</span>,pKey<span class="o">=
 </span>None,ct<span class="o">=</span>2015-05-15T21:31:19.354Z<span 
class="o">)</span>, Event<span class="o">(</span><span 
class="nv">id</span><span class="o">=</span>Some<span 
class="o">(</span>DjvP3Dnci9F4CWmiqoLabQAAAU1ZfROaqdRYO-pZ_no<span 
class="o">)</span>,event<span class="o">=</span><span 
class="nv">$set</span>,eType<span class="o">=</span>user,eId<span 
class="o">=</span>u9,tType<span class="o">=</span>None,tId<span 
class="o">=</span>None,p<span class="o">=</span>DataMap<span 
class="o">(</span>Map<span class="o">())</span>,t<span 
class="o">=</span>2015-05-15T21:31:18.810Z,tags<span 
class="o">=</span>List<span class="o">()</span>,pKey<span 
class="o">=</span>None,ct<span class="o">=</span>2015-05-15T21:31:18.817Z<span 
class="o">)</span>, Event<span class="o">(</span><span 
class="nv">id</span><span class="o">=</span>Some<span 
class="o">(</span>DjvP3Dnci9F4CWmiqoLabQAAAU1ZfRq7tsanlemwmZQ<span 
class="o">)</span>,event<span class="o">=</span>view,eType<span 
class="o">=</span>user,
 eId<span class="o">=</span>u9,tType<span class="o">=</span>Some<span 
class="o">(</span>item<span class="o">)</span>,tId<span 
class="o">=</span>Some<span class="o">(</span>i25<span 
class="o">)</span>,p<span class="o">=</span>DataMap<span 
class="o">(</span>Map<span class="o">())</span>,t<span 
class="o">=</span>2015-05-15T21:31:20.635Z,tags<span 
class="o">=</span>List<span class="o">()</span>,pKey<span 
class="o">=</span>None,ct<span class="o">=</span>2015-05-15T21:31:20.639Z<span 
class="o">)</span>, Event<span class="o">(</span><span 
class="nv">id</span><span class="o">=</span>Some<span 
class="o">(</span>DjvP3Dnci9F4CWmiqoLabQAAAU1ZfR...
-</pre></td></tr></tbody></table> </div> </div></div></div></div><footer><div 
class="container"><div class="seperator"></div><div class="row"><div 
class="col-md-6 footer-link-column"><div 
class="footer-link-column-row"><h4>Community</h4><ul><li><a 
href="//predictionio.apache.org/install/" 
target="blank">Download</a></li><li><a href="//predictionio.apache.org/" 
target="blank">Docs</a></li><li><a href="//github.com/apache/predictionio" 
target="blank">GitHub</a></li><li><a 
href="mailto:[email protected]"; target="blank">Subscribe 
to User Mailing List</a></li><li><a 
href="//stackoverflow.com/questions/tagged/predictionio" 
target="blank">Stackoverflow</a></li></ul></div></div><div class="col-md-6 
footer-link-column"><div 
class="footer-link-column-row"><h4>Contribute</h4><ul><li><a 
href="//predictionio.apache.org/community/contribute-code/" 
target="blank">Contribute</a></li><li><a 
href="//github.com/apache/predictionio" target="blank">Source 
Code</a></li><li><a href="//
 issues.apache.org/jira/browse/PIO" target="blank">Bug Tracker</a></li><li><a 
href="mailto:[email protected]"; target="blank">Subscribe to 
Development Mailing List</a></li></ul></div></div></div><div class="row"><div 
class="col-md-12 footer-link-column"><p>Apache PredictionIO, PredictionIO, 
Apache, the Apache feather logo, and the Apache PredictionIO project logo are 
either registered trademarks or trademarks of The Apache Software Foundation in 
the United States and other countries.</p><p>All other marks mentioned may be 
trademarks or registered trademarks of their respective 
owners.</p></div></div></div><div id="footer-bottom"><div 
class="container"><div class="row"><div class="col-md-12"><div 
id="footer-logo-wrapper"><img alt="PredictionIO" 
src="/images/logos/logo-white-d1e9c6e6.png"/><span>®</span></div><div 
id="social-icons-wrapper"><a class="github-button" 
href="https://github.com/apache/predictionio"; data-style="mega" 
data-count-href="/apache/predictionio/s
 targazers" data-count-api="/repos/apache/predictionio#stargazers_count" 
data-count-aria-label="# stargazers on GitHub" aria-label="Star 
apache/predictionio on GitHub">Star</a> <a class="github-button" 
href="https://github.com/apache/predictionio/fork"; 
data-icon="octicon-git-branch" data-style="mega" 
data-count-href="/apache/predictionio/network" 
data-count-api="/repos/apache/predictionio#forks_count" 
data-count-aria-label="# forks on GitHub" aria-label="Fork apache/predictionio 
on GitHub">Fork</a> <script id="github-bjs" async="" defer="" 
src="https://buttons.github.io/buttons.js";></script><a 
href="https://twitter.com/predictionio"; target="blank"><img alt="PredictionIO 
on Twitter" src="/images/icons/twitter-ea9dc152.png"/></a> <a 
href="https://www.facebook.com/predictionio"; target="blank"><img 
alt="PredictionIO on Facebook" src="/images/icons/facebook-5c57939c.png"/></a> 
</div></div></div></div></div></footer></div><script>(function(w,d,t,u,n,s,e){w['SwiftypeObject']=n;w[n]=w[n]||fu
 nction(){
+</pre></td></tr></tbody></table> </div> </div></div></div></div><footer><div 
class="container"><div class="seperator"></div><div class="row"><div 
class="col-md-6 footer-link-column"><div 
class="footer-link-column-row"><h4>Community</h4><ul><li><a 
href="//predictionio.apache.org/install/" 
target="blank">Download</a></li><li><a href="//predictionio.apache.org/" 
target="blank">Docs</a></li><li><a href="//github.com/apache/predictionio" 
target="blank">GitHub</a></li><li><a 
href="mailto:[email protected]"; target="blank">Subscribe 
to User Mailing List</a></li><li><a 
href="//stackoverflow.com/questions/tagged/predictionio" 
target="blank">Stackoverflow</a></li></ul></div></div><div class="col-md-6 
footer-link-column"><div 
class="footer-link-column-row"><h4>Contribute</h4><ul><li><a 
href="//predictionio.apache.org/community/contribute-code/" 
target="blank">Contribute</a></li><li><a 
href="//github.com/apache/predictionio" target="blank">Source 
Code</a></li><li><a href="//
 issues.apache.org/jira/browse/PIO" target="blank">Bug Tracker</a></li><li><a 
href="mailto:[email protected]"; target="blank">Subscribe to 
Development Mailing List</a></li></ul></div></div></div><div class="row"><div 
class="col-md-12 footer-link-column"><p>Apache PredictionIO, PredictionIO, 
Apache, the Apache feather logo, and the Apache PredictionIO project logo are 
either registered trademarks or trademarks of The Apache Software Foundation in 
the United States and other countries.</p><p>All other marks mentioned may be 
trademarks or registered trademarks of their respective 
owners.</p></div></div></div><div id="footer-bottom"><div 
class="container"><div class="row"><div class="col-md-12"><div 
id="footer-logo-wrapper"><img alt="PredictionIO" 
src="/images/logos/logo-white-d1e9c6e6.png"/><span>®</span></div><div 
id="social-icons-wrapper"><a class="github-button" 
href="https://github.com/apache/predictionio"; data-icon="octicon-star" 
data-show-count="true" aria-labe
 l="Star apache/predictionio on GitHub">Star</a> <a class="github-button" 
href="https://github.com/apache/predictionio/fork"; 
data-icon="octicon-repo-forked" data-show-count="true" aria-label="Fork 
apache/predictionio on GitHub">Fork</a> <script id="github-bjs" async="" 
defer="" src="https://buttons.github.io/buttons.js";></script><a 
href="https://twitter.com/predictionio"; target="blank"><img alt="PredictionIO 
on Twitter" src="/images/icons/twitter-ea9dc152.png"/></a> <a 
href="https://www.facebook.com/predictionio"; target="blank"><img 
alt="PredictionIO on Facebook" src="/images/icons/facebook-5c57939c.png"/></a> 
</div></div></div></div></div></footer></div><script>(function(w,d,t,u,n,s,e){w['SwiftypeObject']=n;w[n]=w[n]||function(){
 (w[n].q=w[n].q||[]).push(arguments);};s=d.createElement(t);
 
e=d.getElementsByTagName(t)[0];s.async=1;s.src=u;e.parentNode.insertBefore(s,e);
 })(window,document,'script','//s.swiftypecdn.com/install/v1/st.js','_st');

http://git-wip-us.apache.org/repos/asf/predictionio-site/blob/b1f44c15/datacollection/analytics-ipynb/index.html
----------------------------------------------------------------------
diff --git a/datacollection/analytics-ipynb/index.html 
b/datacollection/analytics-ipynb/index.html
index b286ae9..0e16082 100644
--- a/datacollection/analytics-ipynb/index.html
+++ b/datacollection/analytics-ipynb/index.html
@@ -1,4 +1,4 @@
-<!DOCTYPE html><html><head><title>Machine Learning Analytics with IPython 
Notebook</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" 
http-equiv="X-UA-Compatible"/><meta name="viewport" 
content="width=device-width, initial-scale=1.0"/><meta class="swiftype" 
name="title" data-type="string" content="Machine Learning Analytics with 
IPython Notebook"/><link rel="canonical" 
href="https://predictionio.apache.org/datacollection/analytics-ipynb/"/><link 
href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link 
href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link 
href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800"
 rel="stylesheet"/><link 
href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" 
rel="stylesheet"/><link href="/stylesheets/application-eccfc6cb.css" 
rel="stylesheet" type="text/css"/><script 
src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5s
 hiv.min.js"></script><script 
src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script><script
 src="//use.typekit.net/pqo0itb.js"></script><script>try{Typekit.load({ async: 
true });}catch(e){}</script></head><body><div id="global"><header><div 
class="container" id="header-wrapper"><div class="row"><div 
class="col-sm-12"><div id="logo-wrapper"><span id="drawer-toggle"></span><a 
href="#"></a><a href="http://predictionio.apache.org/";><img alt="Apache 
PredictionIO" id="logo" 
src="/images/logos/logo-ee2b9bb3.png"/></a><span>®</span></div><div 
id="menu-wrapper"><div id="pill-wrapper"><a class="pill left" 
href="/gallery/template-gallery">TEMPLATES</a> <a class="pill right" 
href="//github.com/apache/predictionio/">OPEN SOURCE</a></div></div><img 
class="mobile-search-bar-toggler hidden-md hidden-lg" 
src="/images/icons/search-glass-704bd4ff.png"/></div></div></div></header><div 
id="search-bar-row-wrapper"><div class="container-fluid" 
id="search-bar-row"><div cla
 ss="row"><div class="col-md-9 col-sm-11 col-xs-11"><div class="hidden-md 
hidden-lg" id="mobile-page-heading-wrapper"><p>PredictionIO Docs</p><h4>Machine 
Learning Analytics with IPython Notebook</h4></div><h4 class="hidden-sm 
hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 
hidden-md hidden-lg"><img id="left-menu-indicator" 
src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 
col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form 
class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" 
src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img 
src="/images/icons/search-glass-704bd4ff.png"/><input type="text" 
id="st-search-input" class="st-search-input" placeholder="Search 
Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" 
src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div 
class="mobile-left-menu-toggler hidden-md hidden-lg"></div></div></div></div><di
 v id="page" class="container-fluid"><div class="row"><div 
id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li 
class="level-1"><a class="expandible" href="/"><span>Apache PredictionIO® 
Documentation</span></a><ul><li class="level-2"><a class="final" 
href="/"><span>Welcome to Apache PredictionIO®</span></a></li></ul></li><li 
class="level-1"><a class="expandible" href="#"><span>Getting 
Started</span></a><ul><li class="level-2"><a class="final" 
href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a 
class="final" href="/install/"><span>Installing Apache 
PredictionIO</span></a></li><li class="level-2"><a class="final" 
href="/start/download/"><span>Downloading an Engine Template</span></a></li><li 
class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your 
First Engine</span></a></li><li class="level-2"><a class="final" 
href="/start/customize/"><span>Customizing the 
Engine</span></a></li></ul></li><li class="level-1"><a class="expandible" 
 href="#"><span>Integrating with Your App</span></a><ul><li class="level-2"><a 
class="final" href="/appintegration/"><span>App Integration 
Overview</span></a></li><li class="level-2"><a class="expandible" 
href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a 
class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li 
class="level-3"><a class="final" href="/sdk/php/"><span>PHP 
SDK</span></a></li><li class="level-3"><a class="final" 
href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a 
class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li 
class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered 
SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a 
class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li 
class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web 
Service</span></a></li><li class="level-2"><a class="final" 
href="/batchpredict/"><span>Batch Predicti
 ons</span></a></li><li class="level-2"><a class="final" 
href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li 
class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting 
Engine Parameters</span></a></li><li class="level-2"><a class="final" 
href="/deploy/enginevariants/"><span>Deploying Multiple Engine 
Variants</span></a></li><li class="level-2"><a class="final" 
href="/deploy/plugin/"><span>Engine Server Plugin</span></a></li></ul></li><li 
class="level-1"><a class="expandible" href="#"><span>Customizing an 
Engine</span></a><ul><li class="level-2"><a class="final" 
href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a 
class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li 
class="level-2"><a class="final" 
href="/customize/troubleshooting/"><span>Troubleshooting Engine 
Development</span></a></li><li class="level-2"><a class="final" 
href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><l
 i class="level-1"><a class="expandible" href="#"><span>Collecting and 
Analyzing Data</span></a><ul><li class="level-2"><a class="final" 
href="/datacollection/"><span>Event Server Overview</span></a></li><li 
class="level-2"><a class="final" 
href="/datacollection/eventapi/"><span>Collecting Data with 
REST/SDKs</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li 
class="level-2"><a class="final" 
href="/datacollection/webhooks/"><span>Unifying Multichannel Data with 
Webhooks</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/channel/"><span>Channel</span></a></li><li 
class="level-2"><a class="final" 
href="/datacollection/batchimport/"><span>Importing Data in 
Batch</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/analytics/"><span>Using Analytics 
Tools</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/plugin/"><span>Event Server Plugin</span><
 /a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a 
class="final" href="/algorithm/"><span>Built-in Algorithm 
Libraries</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/switch/"><span>Switching to Another 
Algorithm</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/multiple/"><span>Combining Multiple 
Algorithms</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/custom/"><span>Adding Your Own 
Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a 
class="final" href="/evaluation/"><span>Overview</span></a></li><li 
class="level-2"><a class="final" 
href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li 
class="level-2"><a class="final" 
href="/evaluation/evaluationdashboard/"><span>Evaluation 
Dashboard</span></a></li><li class="
 level-2"><a class="final" href="/evaluation/metricchoose/"><span>Choosing 
Evaluation Metrics</span></a></li><li class="level-2"><a class="final" 
href="/evaluation/metricbuild/"><span>Building Evaluation 
Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>System Architecture</span></a><ul><li class="level-2"><a 
class="final" href="/system/"><span>Architecture Overview</span></a></li><li 
class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using 
Another Data Store</span></a></li></ul></li><li class="level-1"><a 
class="expandible" href="#"><span>PredictionIO® Official 
Templates</span></a><ul><li class="level-2"><a class="final" 
href="/templates/"><span>Intro</span></a></li><li class="level-2"><a 
class="expandible" href="#"><span>Recommendation</span></a><ul><li 
class="level-3"><a class="final" 
href="/templates/recommendation/quickstart/"><span>Quick 
Start</span></a></li><li class="level-3"><a class="final" href="/templates/recom
 mendation/dase/"><span>DASE</span></a></li><li class="level-3"><a 
class="final" href="/templates/recommendation/evaluation/"><span>Evaluation 
Explained</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/how-to/"><span>How-To</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/recommendation/reading-custom-events/"><span>Read Custom 
Events</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/customize-data-prep/"><span>Customize Data 
Preparator</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/customize-serving/"><span>Customize 
Serving</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/training-with-implicit-preference/"><span>Train 
with Implicit Preference</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/blacklist-items/"><span>Filter Recommended 
Items by Blacklist in Query</span></a></li><li class="le
 vel-3"><a class="final" 
href="/templates/recommendation/batch-evaluator/"><span>Batch Persistable 
Evaluator</span></a></li></ul></li><li class="level-2"><a class="expandible" 
href="#"><span>E-Commerce Recommendation</span></a><ul><li class="level-3"><a 
class="final" href="/templates/ecommercerecommendation/quickstart/"><span>Quick 
Start</span></a></li><li class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/dase/"><span>DASE</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/how-to/"><span>How-To</span></a></li><li
 class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/train-with-rate-event/"><span>Train 
with Rate Event</span></a></li><li class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/adjust-score/"><span>Adjust 
Score</span></a></li></ul></li><li class="level-2"><a class="expandible" 
href="#"><span>Similar Product</span></a><ul><li class="level-3"><a 
class="final" href="/temp
 lates/similarproduct/quickstart/"><span>Quick Start</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/similarproduct/dase/"><span>DASE</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/similarproduct/how-to/"><span>How-To</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/similarproduct/multi-events-multi-algos/"><span>Multiple 
Events and Multiple Algorithms</span></a></li><li class="level-3"><a 
class="final" 
href="/templates/similarproduct/return-item-properties/"><span>Returns Item 
Properties</span></a></li><li class="level-3"><a class="final" 
href="/templates/similarproduct/train-with-rate-event/"><span>Train with Rate 
Event</span></a></li><li class="level-3"><a class="final" 
href="/templates/similarproduct/rid-user-set-event/"><span>Get Rid of Events 
for Users</span></a></li><li class="level-3"><a class="final" 
href="/templates/similarproduct/recommended-user/"><span>Recommend 
Users</span></a></li></ul></li><li class="level
 -2"><a class="expandible" href="#"><span>Classification</span></a><ul><li 
class="level-3"><a class="final" 
href="/templates/classification/quickstart/"><span>Quick 
Start</span></a></li><li class="level-3"><a class="final" 
href="/templates/classification/dase/"><span>DASE</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/classification/how-to/"><span>How-To</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/classification/add-algorithm/"><span>Use Alternative 
Algorithm</span></a></li><li class="level-3"><a class="final" 
href="/templates/classification/reading-custom-properties/"><span>Read Custom 
Properties</span></a></li></ul></li></ul></li><li class="level-1"><a 
class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li 
class="level-2"><a class="final" 
href="/gallery/template-gallery/"><span>Browse</span></a></li><li 
class="level-2"><a class="final" 
href="/community/submit-template/"><span>Submit your Engine as a Template</span>
 </a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a 
class="final" href="/demo/tapster/"><span>Comics Recommendation 
Demo</span></a></li><li class="level-2"><a class="final" 
href="/demo/community/"><span>Community Contributed Demo</span></a></li><li 
class="level-2"><a class="final" href="/demo/textclassification/"><span>Text 
Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a 
class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li 
class="level-2"><a class="final" 
href="/community/contribute-code/"><span>Contribute Code</span></a></li><li 
class="level-2"><a class="final" 
href="/community/contribute-documentation/"><span>Contribute 
Documentation</span></a></li><li class="level-2"><a class="final" 
href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li 
class="level-2"><a class="final" 
href="/community/contribute-webhook/"><span>Contribute a We
 bhook</span></a></li><li class="level-2"><a class="final" 
href="/community/projects/"><span>Community 
Projects</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>Getting Help</span></a><ul><li class="level-2"><a class="final" 
href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a 
class="final" href="/support/"><span>Support</span></a></li></ul></li><li 
class="level-1"><a class="expandible" 
href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" 
href="/cli/"><span>Command-line Interface</span></a></li><li class="level-2"><a 
class="final" href="/resources/release/"><span>Release 
Cadence</span></a></li><li class="level-2"><a class="final" 
href="/resources/intellij/"><span>Developing Engines with IntelliJ 
IDEA</span></a></li><li class="level-2"><a class="final" 
href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li 
class="level-2"><a class="final" 
href="/resources/glossary/"><span>Glossary</span></a></
 li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Apache 
Software Foundation</span></a><ul><li class="level-2"><a class="final" 
href="https://www.apache.org/";><span>Apache Homepage</span></a></li><li 
class="level-2"><a class="final" 
href="https://www.apache.org/licenses/";><span>License</span></a></li><li 
class="level-2"><a class="final" 
href="https://www.apache.org/foundation/sponsorship.html";><span>Sponsorship</span></a></li><li
 class="level-2"><a class="final" 
href="https://www.apache.org/foundation/thanks.html";><span>Thanks</span></a></li><li
 class="level-2"><a class="final" 
href="https://www.apache.org/security/";><span>Security</span></a></li></ul></li></ul></nav></div><div
 class="col-md-9 col-sm-12"><div class="content-header hidden-md 
hidden-lg"><div id="page-title"><h1>Machine Learning Analytics with IPython 
Notebook</h1></div></div><div id="table-of-content-wrapper"><h5>On this 
page</h5><aside id="table-of-contents"><ul> <li> <a href="#prerequisites">Prer
 equisites</a> </li> <li> <a href="#preparing-ipython-notebook">Preparing 
IPython Notebook</a> </li> <li> <a 
href="#performing-analysis-with-spark-sql">Performing Analysis with Spark 
SQL</a> </li> </ul> </aside><hr/><a id="edit-page-link" 
href="https://github.com/apache/predictionio/tree/livedoc/docs/manual/source/datacollection/analytics-ipynb.html.md.erb";><img
 src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div 
class="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Machine 
Learning Analytics with IPython Notebook</h1></div></div><div class="content"> 
<p><a href="http://ipython.org/notebook.html";>IPython Notebook</a> is a very 
powerful interactive computational environment, and with <a 
href="http://predictionio.apache.org";>Apache PredictionIO</a>, <a 
href="http://spark.apache.org/docs/latest/api/python/";>PySpark</a> and <a 
href="https://spark.apache.org/sql/";>Spark SQL</a>, you can easily analyze your 
collected events when you are developing or tu
 ning your engine.</p><h2 id='prerequisites' 
class='header-anchors'>Prerequisites</h2><p>Before you begin, please make sure 
you have the latest stable IPython installed, and that the command 
<code>ipython</code> can be accessed from your shell&#39;s search path.</p> 
<p><h2 id='export-events-to-apache-parquet' class='header-anchors'>Export 
Events to Apache Parquet</h2><p>PredictionIO supports exporting your events to 
<a href="http://parquet.apache.org/";>Apache Parquet</a>, a columnar storage 
format that allows you to query quickly.</p><p>Let&#39;s export the data we 
imported in <a 
href="/templates/recommendation/quickstart/#import-sample-data">Recommendation 
Engine Template Quick Start</a>, and assume the App ID is 1.</p><div 
class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td 
class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td 
class="code"><pre><span class="gp">$ </span><span 
class="nv">$PIO_HOME</span>/bin/pio <span class="nb">export</
 span> --appid 1 --output /tmp/movies --format parquet
+<!DOCTYPE html><html><head><title>Machine Learning Analytics with IPython 
Notebook</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" 
http-equiv="X-UA-Compatible"/><meta name="viewport" 
content="width=device-width, initial-scale=1.0"/><meta class="swiftype" 
name="title" data-type="string" content="Machine Learning Analytics with 
IPython Notebook"/><link rel="canonical" 
href="https://predictionio.apache.org/datacollection/analytics-ipynb/"/><link 
href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link 
href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link 
href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800"
 rel="stylesheet"/><link 
href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" 
rel="stylesheet"/><link href="/stylesheets/application-eccfc6cb.css" 
rel="stylesheet" type="text/css"/><script 
src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5s
 hiv.min.js"></script><script 
src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script><script
 src="//use.typekit.net/pqo0itb.js"></script><script>try{Typekit.load({ async: 
true });}catch(e){}</script></head><body><div id="global"><header><div 
class="container" id="header-wrapper"><div class="row"><div 
class="col-sm-12"><div id="logo-wrapper"><span id="drawer-toggle"></span><a 
href="#"></a><a href="http://predictionio.apache.org/";><img alt="Apache 
PredictionIO" id="logo" 
src="/images/logos/logo-ee2b9bb3.png"/></a><span>®</span></div><div 
id="menu-wrapper"><div id="pill-wrapper"><a class="pill left" 
href="/gallery/template-gallery">TEMPLATES</a> <a class="pill right" 
href="//github.com/apache/predictionio/">OPEN SOURCE</a></div></div><img 
class="mobile-search-bar-toggler hidden-md hidden-lg" 
src="/images/icons/search-glass-704bd4ff.png"/></div></div></div></header><div 
id="search-bar-row-wrapper"><div class="container-fluid" 
id="search-bar-row"><div cla
 ss="row"><div class="col-md-9 col-sm-11 col-xs-11"><div class="hidden-md 
hidden-lg" id="mobile-page-heading-wrapper"><p>PredictionIO Docs</p><h4>Machine 
Learning Analytics with IPython Notebook</h4></div><h4 class="hidden-sm 
hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 
hidden-md hidden-lg"><img id="left-menu-indicator" 
src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 
col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form 
class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" 
src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img 
src="/images/icons/search-glass-704bd4ff.png"/><input type="text" 
id="st-search-input" class="st-search-input" placeholder="Search 
Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" 
src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div 
class="mobile-left-menu-toggler hidden-md hidden-lg"></div></div></div></div><di
 v id="page" class="container-fluid"><div class="row"><div 
id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li 
class="level-1"><a class="expandible" href="/"><span>Apache PredictionIO® 
Documentation</span></a><ul><li class="level-2"><a class="final" 
href="/"><span>Welcome to Apache PredictionIO®</span></a></li></ul></li><li 
class="level-1"><a class="expandible" href="#"><span>Getting 
Started</span></a><ul><li class="level-2"><a class="final" 
href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a 
class="final" href="/install/"><span>Installing Apache 
PredictionIO</span></a></li><li class="level-2"><a class="final" 
href="/start/download/"><span>Downloading an Engine Template</span></a></li><li 
class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your 
First Engine</span></a></li><li class="level-2"><a class="final" 
href="/start/customize/"><span>Customizing the 
Engine</span></a></li></ul></li><li class="level-1"><a class="expandible" 
 href="#"><span>Integrating with Your App</span></a><ul><li class="level-2"><a 
class="final" href="/appintegration/"><span>App Integration 
Overview</span></a></li><li class="level-2"><a class="expandible" 
href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a 
class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li 
class="level-3"><a class="final" href="/sdk/php/"><span>PHP 
SDK</span></a></li><li class="level-3"><a class="final" 
href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a 
class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li 
class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered 
SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a 
class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li 
class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web 
Service</span></a></li><li class="level-2"><a class="final" 
href="/batchpredict/"><span>Batch Predicti
 ons</span></a></li><li class="level-2"><a class="final" 
href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li 
class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting 
Engine Parameters</span></a></li><li class="level-2"><a class="final" 
href="/deploy/enginevariants/"><span>Deploying Multiple Engine 
Variants</span></a></li><li class="level-2"><a class="final" 
href="/deploy/plugin/"><span>Engine Server Plugin</span></a></li></ul></li><li 
class="level-1"><a class="expandible" href="#"><span>Customizing an 
Engine</span></a><ul><li class="level-2"><a class="final" 
href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a 
class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li 
class="level-2"><a class="final" 
href="/customize/troubleshooting/"><span>Troubleshooting Engine 
Development</span></a></li><li class="level-2"><a class="final" 
href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><l
 i class="level-1"><a class="expandible" href="#"><span>Collecting and 
Analyzing Data</span></a><ul><li class="level-2"><a class="final" 
href="/datacollection/"><span>Event Server Overview</span></a></li><li 
class="level-2"><a class="final" 
href="/datacollection/eventapi/"><span>Collecting Data with 
REST/SDKs</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li 
class="level-2"><a class="final" 
href="/datacollection/webhooks/"><span>Unifying Multichannel Data with 
Webhooks</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/channel/"><span>Channel</span></a></li><li 
class="level-2"><a class="final" 
href="/datacollection/batchimport/"><span>Importing Data in 
Batch</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/analytics/"><span>Using Analytics 
Tools</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/plugin/"><span>Event Server Plugin</span><
 /a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>Choosing an Algorithm</span></a><ul><li class="level-2"><a 
class="final" href="/algorithm/"><span>Built-in Algorithm 
Libraries</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/switch/"><span>Switching to Another 
Algorithm</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/multiple/"><span>Combining Multiple 
Algorithms</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/custom/"><span>Adding Your Own 
Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a 
class="final" href="/evaluation/"><span>Overview</span></a></li><li 
class="level-2"><a class="final" 
href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li 
class="level-2"><a class="final" 
href="/evaluation/evaluationdashboard/"><span>Evaluation 
Dashboard</span></a></li><li class="lev
 el-2"><a class="final" href="/evaluation/metricchoose/"><span>Choosing 
Evaluation Metrics</span></a></li><li class="level-2"><a class="final" 
href="/evaluation/metricbuild/"><span>Building Evaluation 
Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>System Architecture</span></a><ul><li class="level-2"><a 
class="final" href="/system/"><span>Architecture Overview</span></a></li><li 
class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using 
Another Data Store</span></a></li></ul></li><li class="level-1"><a 
class="expandible" href="#"><span>PredictionIO® Official 
Templates</span></a><ul><li class="level-2"><a class="final" 
href="/templates/"><span>Intro</span></a></li><li class="level-2"><a 
class="expandible" href="#"><span>Recommendation</span></a><ul><li 
class="level-3"><a class="final" 
href="/templates/recommendation/quickstart/"><span>Quick 
Start</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommen
 dation/dase/"><span>DASE</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/evaluation/"><span>Evaluation 
Explained</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/how-to/"><span>How-To</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/recommendation/reading-custom-events/"><span>Read Custom 
Events</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/customize-data-prep/"><span>Customize Data 
Preparator</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/customize-serving/"><span>Customize 
Serving</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/training-with-implicit-preference/"><span>Train 
with Implicit Preference</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/blacklist-items/"><span>Filter Recommended 
Items by Blacklist in Query</span></a></li><li class="level
 -3"><a class="final" 
href="/templates/recommendation/batch-evaluator/"><span>Batch Persistable 
Evaluator</span></a></li></ul></li><li class="level-2"><a class="expandible" 
href="#"><span>E-Commerce Recommendation</span></a><ul><li class="level-3"><a 
class="final" href="/templates/ecommercerecommendation/quickstart/"><span>Quick 
Start</span></a></li><li class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/dase/"><span>DASE</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/how-to/"><span>How-To</span></a></li><li
 class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/train-with-rate-event/"><span>Train 
with Rate Event</span></a></li><li class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/adjust-score/"><span>Adjust 
Score</span></a></li></ul></li><li class="level-2"><a class="expandible" 
href="#"><span>Similar Product</span></a><ul><li class="level-3"><a 
class="final" href="/templat
 es/similarproduct/quickstart/"><span>Quick Start</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/similarproduct/dase/"><span>DASE</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/similarproduct/how-to/"><span>How-To</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/similarproduct/multi-events-multi-algos/"><span>Multiple 
Events and Multiple Algorithms</span></a></li><li class="level-3"><a 
class="final" 
href="/templates/similarproduct/return-item-properties/"><span>Returns Item 
Properties</span></a></li><li class="level-3"><a class="final" 
href="/templates/similarproduct/train-with-rate-event/"><span>Train with Rate 
Event</span></a></li><li class="level-3"><a class="final" 
href="/templates/similarproduct/rid-user-set-event/"><span>Get Rid of Events 
for Users</span></a></li><li class="level-3"><a class="final" 
href="/templates/similarproduct/recommended-user/"><span>Recommend 
Users</span></a></li></ul></li><li class="level-2"
 ><a class="expandible" href="#"><span>Classification</span></a><ul><li 
 >class="level-3"><a class="final" 
 >href="/templates/classification/quickstart/"><span>Quick 
 >Start</span></a></li><li class="level-3"><a class="final" 
 >href="/templates/classification/dase/"><span>DASE</span></a></li><li 
 >class="level-3"><a class="final" 
 >href="/templates/classification/how-to/"><span>How-To</span></a></li><li 
 >class="level-3"><a class="final" 
 >href="/templates/classification/add-algorithm/"><span>Use Alternative 
 >Algorithm</span></a></li><li class="level-3"><a class="final" 
 >href="/templates/classification/reading-custom-properties/"><span>Read Custom 
 >Properties</span></a></li></ul></li></ul></li><li class="level-1"><a 
 >class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li 
 >class="level-2"><a class="final" 
 >href="/gallery/template-gallery/"><span>Browse</span></a></li><li 
 >class="level-2"><a class="final" 
 >href="/community/submit-template/"><span>Submit your Engine as a 
 >Template</span></a
 ></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo 
 >Tutorials</span></a><ul><li class="level-2"><a class="final" 
 >href="/demo/tapster/"><span>Comics Recommendation Demo</span></a></li><li 
 >class="level-2"><a class="final" href="/demo/community/"><span>Community 
 >Contributed Demo</span></a></li><li class="level-2"><a class="final" 
 >href="/demo/textclassification/"><span>Text Classification Engine 
 >Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" 
 >href="/community/"><span>Getting Involved</span></a><ul><li 
 >class="level-2"><a class="final" 
 >href="/community/contribute-code/"><span>Contribute Code</span></a></li><li 
 >class="level-2"><a class="final" 
 >href="/community/contribute-documentation/"><span>Contribute 
 >Documentation</span></a></li><li class="level-2"><a class="final" 
 >href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li 
 >class="level-2"><a class="final" 
 >href="/community/contribute-webhook/"><span>Contribute a Webho
 ok</span></a></li><li class="level-2"><a class="final" 
href="/community/projects/"><span>Community 
Projects</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>Getting Help</span></a><ul><li class="level-2"><a class="final" 
href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a 
class="final" href="/support/"><span>Support</span></a></li></ul></li><li 
class="level-1"><a class="expandible" 
href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" 
href="/cli/"><span>Command-line Interface</span></a></li><li class="level-2"><a 
class="final" href="/resources/release/"><span>Release 
Cadence</span></a></li><li class="level-2"><a class="final" 
href="/resources/intellij/"><span>Developing Engines with IntelliJ 
IDEA</span></a></li><li class="level-2"><a class="final" 
href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li 
class="level-2"><a class="final" 
href="/resources/glossary/"><span>Glossary</span></a></li>
 </ul></li><li class="level-1"><a class="expandible" href="#"><span>Apache 
Software Foundation</span></a><ul><li class="level-2"><a class="final" 
href="https://www.apache.org/";><span>Apache Homepage</span></a></li><li 
class="level-2"><a class="final" 
href="https://www.apache.org/licenses/";><span>License</span></a></li><li 
class="level-2"><a class="final" 
href="https://www.apache.org/foundation/sponsorship.html";><span>Sponsorship</span></a></li><li
 class="level-2"><a class="final" 
href="https://www.apache.org/foundation/thanks.html";><span>Thanks</span></a></li><li
 class="level-2"><a class="final" 
href="https://www.apache.org/security/";><span>Security</span></a></li></ul></li></ul></nav></div><div
 class="col-md-9 col-sm-12"><div class="content-header hidden-md 
hidden-lg"><div id="page-title"><h1>Machine Learning Analytics with IPython 
Notebook</h1></div></div><div id="table-of-content-wrapper"><h5>On this 
page</h5><aside id="table-of-contents"><ul> <li> <a 
href="#prerequisites">Prerequ
 isites</a> </li> <li> <a href="#preparing-ipython-notebook">Preparing IPython 
Notebook</a> </li> <li> <a 
href="#performing-analysis-with-spark-sql">Performing Analysis with Spark 
SQL</a> </li> </ul> </aside><hr/><a id="edit-page-link" 
href="https://github.com/apache/predictionio/tree/livedoc/docs/manual/source/datacollection/analytics-ipynb.html.md.erb";><img
 src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div 
class="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Machine 
Learning Analytics with IPython Notebook</h1></div></div><div class="content"> 
<p><a href="http://ipython.org/notebook.html";>IPython Notebook</a> is a very 
powerful interactive computational environment, and with <a 
href="http://predictionio.apache.org";>Apache PredictionIO</a>, <a 
href="http://spark.apache.org/docs/latest/api/python/";>PySpark</a> and <a 
href="https://spark.apache.org/sql/";>Spark SQL</a>, you can easily analyze your 
collected events when you are developing or tunin
 g your engine.</p><h2 id='prerequisites' 
class='header-anchors'>Prerequisites</h2><p>Before you begin, please make sure 
you have the latest stable IPython installed, and that the command 
<code>ipython</code> can be accessed from your shell&#39;s search path.</p> 
<p><h2 id='export-events-to-apache-parquet' class='header-anchors'>Export 
Events to Apache Parquet</h2><p>PredictionIO supports exporting your events to 
<a href="http://parquet.apache.org/";>Apache Parquet</a>, a columnar storage 
format that allows you to query quickly.</p><p>Let&#39;s export the data we 
imported in <a 
href="/templates/recommendation/quickstart/#import-sample-data">Recommendation 
Engine Template Quick Start</a>, and assume the App ID is 1.</p><div 
class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td 
class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td 
class="code"><pre><span class="gp">$ </span><span 
class="nv">$PIO_HOME</span>/bin/pio <span class="nb">export</spa
 n> --appid 1 --output /tmp/movies --format parquet
 </pre></td></tr></tbody></table> </div> <p>After the command has finished 
successfully, you should see something similar to the following.</p><div 
class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
@@ -83,7 +83,7 @@
         <span class="n">autopct</span><span class="o">=</span><span 
class="s">"</span><span class="si">%1.1</span><span class="s">f</span><span 
class="si">%%</span><span class="s">"</span><span class="p">)</span>
 <span class="n">plt</span><span class="o">.</span><span 
class="n">axis</span><span class="p">(</span><span 
class="s">'equal'</span><span class="p">)</span>
 <span class="n">plt</span><span class="o">.</span><span 
class="n">show</span><span class="p">()</span>
-</pre></td></tr></tbody></table> </div> <p><img alt="Breakdown of Ratings" 
src="/images/datacollection/ipynb-04-797d73f1.png"/></p><p>Happy 
analyzing!</p></div></div></div></div><footer><div class="container"><div 
class="seperator"></div><div class="row"><div class="col-md-6 
footer-link-column"><div 
class="footer-link-column-row"><h4>Community</h4><ul><li><a 
href="//predictionio.apache.org/install/" 
target="blank">Download</a></li><li><a href="//predictionio.apache.org/" 
target="blank">Docs</a></li><li><a href="//github.com/apache/predictionio" 
target="blank">GitHub</a></li><li><a 
href="mailto:[email protected]"; target="blank">Subscribe 
to User Mailing List</a></li><li><a 
href="//stackoverflow.com/questions/tagged/predictionio" 
target="blank">Stackoverflow</a></li></ul></div></div><div class="col-md-6 
footer-link-column"><div 
class="footer-link-column-row"><h4>Contribute</h4><ul><li><a 
href="//predictionio.apache.org/community/contribute-code/" target="blank">Co
 ntribute</a></li><li><a href="//github.com/apache/predictionio" 
target="blank">Source Code</a></li><li><a 
href="//issues.apache.org/jira/browse/PIO" target="blank">Bug 
Tracker</a></li><li><a href="mailto:[email protected]"; 
target="blank">Subscribe to Development Mailing 
List</a></li></ul></div></div></div><div class="row"><div class="col-md-12 
footer-link-column"><p>Apache PredictionIO, PredictionIO, Apache, the Apache 
feather logo, and the Apache PredictionIO project logo are either registered 
trademarks or trademarks of The Apache Software Foundation in the United States 
and other countries.</p><p>All other marks mentioned may be trademarks or 
registered trademarks of their respective owners.</p></div></div></div><div 
id="footer-bottom"><div class="container"><div class="row"><div 
class="col-md-12"><div id="footer-logo-wrapper"><img alt="PredictionIO" 
src="/images/logos/logo-white-d1e9c6e6.png"/><span>®</span></div><div 
id="social-icons-wrapper"><a class="gith
 ub-button" href="https://github.com/apache/predictionio"; data-style="mega" 
data-count-href="/apache/predictionio/stargazers" 
data-count-api="/repos/apache/predictionio#stargazers_count" 
data-count-aria-label="# stargazers on GitHub" aria-label="Star 
apache/predictionio on GitHub">Star</a> <a class="github-button" 
href="https://github.com/apache/predictionio/fork"; 
data-icon="octicon-git-branch" data-style="mega" 
data-count-href="/apache/predictionio/network" 
data-count-api="/repos/apache/predictionio#forks_count" 
data-count-aria-label="# forks on GitHub" aria-label="Fork apache/predictionio 
on GitHub">Fork</a> <script id="github-bjs" async="" defer="" 
src="https://buttons.github.io/buttons.js";></script><a 
href="https://twitter.com/predictionio"; target="blank"><img alt="PredictionIO 
on Twitter" src="/images/icons/twitter-ea9dc152.png"/></a> <a 
href="https://www.facebook.com/predictionio"; target="blank"><img 
alt="PredictionIO on Facebook" src="/images/icons/facebook-5c57939c.png"/></a>
  
</div></div></div></div></div></footer></div><script>(function(w,d,t,u,n,s,e){w['SwiftypeObject']=n;w[n]=w[n]||function(){
+</pre></td></tr></tbody></table> </div> <p><img alt="Breakdown of Ratings" 
src="/images/datacollection/ipynb-04-797d73f1.png"/></p><p>Happy 
analyzing!</p></div></div></div></div><footer><div class="container"><div 
class="seperator"></div><div class="row"><div class="col-md-6 
footer-link-column"><div 
class="footer-link-column-row"><h4>Community</h4><ul><li><a 
href="//predictionio.apache.org/install/" 
target="blank">Download</a></li><li><a href="//predictionio.apache.org/" 
target="blank">Docs</a></li><li><a href="//github.com/apache/predictionio" 
target="blank">GitHub</a></li><li><a 
href="mailto:[email protected]"; target="blank">Subscribe 
to User Mailing List</a></li><li><a 
href="//stackoverflow.com/questions/tagged/predictionio" 
target="blank">Stackoverflow</a></li></ul></div></div><div class="col-md-6 
footer-link-column"><div 
class="footer-link-column-row"><h4>Contribute</h4><ul><li><a 
href="//predictionio.apache.org/community/contribute-code/" target="blank">Co
 ntribute</a></li><li><a href="//github.com/apache/predictionio" 
target="blank">Source Code</a></li><li><a 
href="//issues.apache.org/jira/browse/PIO" target="blank">Bug 
Tracker</a></li><li><a href="mailto:[email protected]"; 
target="blank">Subscribe to Development Mailing 
List</a></li></ul></div></div></div><div class="row"><div class="col-md-12 
footer-link-column"><p>Apache PredictionIO, PredictionIO, Apache, the Apache 
feather logo, and the Apache PredictionIO project logo are either registered 
trademarks or trademarks of The Apache Software Foundation in the United States 
and other countries.</p><p>All other marks mentioned may be trademarks or 
registered trademarks of their respective owners.</p></div></div></div><div 
id="footer-bottom"><div class="container"><div class="row"><div 
class="col-md-12"><div id="footer-logo-wrapper"><img alt="PredictionIO" 
src="/images/logos/logo-white-d1e9c6e6.png"/><span>®</span></div><div 
id="social-icons-wrapper"><a class="gith
 ub-button" href="https://github.com/apache/predictionio"; 
data-icon="octicon-star" data-show-count="true" aria-label="Star 
apache/predictionio on GitHub">Star</a> <a class="github-button" 
href="https://github.com/apache/predictionio/fork"; 
data-icon="octicon-repo-forked" data-show-count="true" aria-label="Fork 
apache/predictionio on GitHub">Fork</a> <script id="github-bjs" async="" 
defer="" src="https://buttons.github.io/buttons.js";></script><a 
href="https://twitter.com/predictionio"; target="blank"><img alt="PredictionIO 
on Twitter" src="/images/icons/twitter-ea9dc152.png"/></a> <a 
href="https://www.facebook.com/predictionio"; target="blank"><img 
alt="PredictionIO on Facebook" src="/images/icons/facebook-5c57939c.png"/></a> 
</div></div></div></div></div></footer></div><script>(function(w,d,t,u,n,s,e){w['SwiftypeObject']=n;w[n]=w[n]||function(){
 (w[n].q=w[n].q||[]).push(arguments);};s=d.createElement(t);
 
e=d.getElementsByTagName(t)[0];s.async=1;s.src=u;e.parentNode.insertBefore(s,e);
 })(window,document,'script','//s.swiftypecdn.com/install/v1/st.js','_st');

Reply via email to