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-<!DOCTYPE html><html><head><title>Machine Learning Analytics with 
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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/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 
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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/simi
 larproduct/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" 
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Events and Multiple Algorithms</span></a></li><li class="level-3"><a 
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for Users</span></a></li><li class="level-3"><a class="final" 
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Users</span></a></li></ul></li><li class="level-2"><a cla
 ss="expandible" href="#"><span>Classification</span></a><ul><li 
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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 
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Template</span></a></li><
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IDEA</span></a></li><li class="level-2"><a class="final" 
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 class="col-md-9 col-sm-12"><div class="content-header hidden-md 
hidden-lg"><div id="page-title"><h1>Machine Learning Analytics with 
Zeppelin</h1></div></div><div id="table-of-content-wrapper"><h5>On this 
page</h5><aside id="table-of-contents"><ul> <li> <a 
href="#prerequisites">Prerequisites</a> </li
 > <li> <a href="#building-zeppelin-for-apache-spark-1-2">Building Zeppelin for 
 > Apache Spark 1.2+</a> </li> <li> <a href="#preparing-zeppelin">Preparing 
 > Zeppelin</a> </li> <li> <a 
 > href="#performing-analysis-with-zeppelin">Performing Analysis with 
 > Zeppelin</a> </li> </ul> </aside><hr/><a id="edit-page-link" 
 > href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/datacollection/analytics-zeppelin.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 Zeppelin</h1></div></div><div class="content"> <p><a 
 > href="http://zeppelin-project.org/";>Apache Zeppelin</a> is an interactive 
 > computational environment built on Apache Spark like the IPython Notebook. 
 > With <a href="http://predictionio.apache.org";>Apache PredictionIO</a> and <a 
 > href="https://spark.apache.org/sql/";>Spark SQL</a>, you can easily analyze 
 > your collected events 
 when you are developing or tuning your engine.</p><h2 id='prerequisites' 
class='header-anchors'>Prerequisites</h2><p>The following instructions assume 
that you have the command <code>sbt</code> accessible in your shell&#39;s 
search path. Alternatively, you can use the <code>sbt</code> command that comes 
with Apache PredictionIO at <code>$PIO_HOME/sbt/sbt</code>.</p> <p><h2 
id='export-events-to-apache-parquet' class='header-anchors'>Export Events to 
Apache Parquet</h2><p>PredictionIO supports exporting your events to <a 
href="http://parquet.apache.org/";>Apache Parquet</a>, a columnar storage format 
that allows you to query quickly.</p><p>Let&#39;s export the data we imported 
in <a 
href="/templates/recommendation/quickstart/#import-sample-data">Recommendation 
Engine Template Quick Start</a>, and assume the App ID is 1.</p><div 
class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td 
class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td 
class="c
 ode"><pre><span class="gp">$ </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 
Zeppelin</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" 
http-equiv="X-UA-Compatible"/><meta name="viewport" 
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Learning Analytics with Zeppelin</h4></div><h4 class="hidden-sm 
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  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="#"><s
 pan>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" 
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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><
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href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li 
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Variants</span></a></li><li class="level-2"><a class="final" 
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class="level-1"><a class="expandible" href="#"><span>Customizing an 
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class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li 
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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="le
 vel-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></u
 l></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" 
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Dashboard</span></a></li><li class="level-2"><a
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Metrics</span></a></li><li class="level-2"><a class="final" 
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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/d
 ase/"><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 c
 lass="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="/templates/simil
 arproduct/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 clas
 s="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 
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Documentation</span></a></li><li class="level-2"><a class="final" 
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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 
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 >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" 
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 i><li class="level-1"><a class="expandible" href="#"><span>Apache Software 
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 class="col-md-9 col-sm-12"><div class="content-header hidden-md 
hidden-lg"><div id="page-title"><h1>Machine Learning Analytics with 
Zeppelin</h1></div></div><div id="table-of-content-wrapper"><h5>On this 
page</h5><aside id="table-of-contents"><ul> <li> <a 
href="#prerequisites">Prerequisites</a> </li>
  <li> <a href="#building-zeppelin-for-apache-spark-1-2">Building Zeppelin for 
Apache Spark 1.2+</a> </li> <li> <a href="#preparing-zeppelin">Preparing 
Zeppelin</a> </li> <li> <a href="#performing-analysis-with-zeppelin">Performing 
Analysis with Zeppelin</a> </li> </ul> </aside><hr/><a id="edit-page-link" 
href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/datacollection/analytics-zeppelin.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 Zeppelin</h1></div></div><div class="content"> <p><a 
href="http://zeppelin-project.org/";>Apache Zeppelin</a> is an interactive 
computational environment built on Apache Spark like the IPython Notebook. With 
<a href="http://predictionio.apache.org";>Apache PredictionIO</a> and <a 
href="https://spark.apache.org/sql/";>Spark SQL</a>, you can easily analyze your 
collected events w
 hen you are developing or tuning your engine.</p><h2 id='prerequisites' 
class='header-anchors'>Prerequisites</h2><p>The following instructions assume 
that you have the command <code>sbt</code> accessible in your shell&#39;s 
search path. Alternatively, you can use the <code>sbt</code> command that comes 
with Apache PredictionIO at <code>$PIO_HOME/sbt/sbt</code>.</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="co
 de"><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
 </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
@@ -39,7 +39,7 @@ SELECT event, COUNT<span class="o">(</span><span 
class="k">*</span><span class="
 3</pre></td><td class="code"><pre>%sql
 SELECT properties.rating AS r, COUNT<span class="o">(</span><span 
class="k">*</span><span class="o">)</span> AS c FROM events
 WHERE properties.rating IS NOT NULL GROUP BY properties.rating ORDER BY r
-</pre></td></tr></tbody></table> </div> <p><img alt="Breakdown of Rating 
Values" src="/images/datacollection/zeppelin-04-d646c299.png"/></p><p>Happy 
analyzing!</p></div></div></div></div><footer><div class="container"><div 
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+</pre></td></tr></tbody></table> </div> <p><img alt="Breakdown of Rating 
Values" src="/images/datacollection/zeppelin-04-d646c299.png"/></p><p>Happy 
analyzing!</p></div></div></div></div><footer><div class="container"><div 
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 " target="blank">Contribute</a></li><li><a 
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http://git-wip-us.apache.org/repos/asf/predictionio-site/blob/1edaec49/datacollection/analytics/index.html
----------------------------------------------------------------------
diff --git a/datacollection/analytics/index.html 
b/datacollection/analytics/index.html
index 2b1ec3a..47da418 100644
--- a/datacollection/analytics/index.html
+++ b/datacollection/analytics/index.html
@@ -1,4 +1,4 @@
-<!DOCTYPE html><html><head><title>Using Analytics Tools</title><meta 
charset="utf-8"/><meta content="IE=edge,chrome=1" 
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content="width=device-width, initial-scale=1.0"/><meta class="swiftype" 
name="title" data-type="string" content="Using Analytics Tools"/><link 
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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/monitor
 ing/"><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><li class="level-1"><a class="expandible" 
href="#"><span>Collecting and Analyzi
 ng Data</span></a><ul><li class="level-2"><a class="final" 
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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 
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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 
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href="/algorithm/switch/"><span>Switching to Another 
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href="/algorithm/multiple/"><span>Combining Multiple 
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href="/algorithm/custom/"><span>Adding Your Own 
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class="final" href="/evaluation/"><span>Overview</span></a></li><li 
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Dashboard</span></a></li><li class="level-2"><a class="final" 
href="/evaluation/metricchoose/"><span>Choos
 ing 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 clas
 s="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 
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href="/templates/recommendation/customize-data-prep/"><span>Customize Data 
Preparator</span></a></li><li class="level-3"><a class="final" 
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Items by Blacklist in Query</span></a></li><li class="level-3"><a class="final" 
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 r/"><span>Batch Persistable Evaluator</span></a></li></ul></li><li 
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href="/templates/ecommercerecommendation/how-to/"><span>How-To</span></a></li><li
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with Rate Event</span></a></li><li class="level-3"><a class="final" 
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class="final" href="/templates/similarproduct/quickstart/"><span>Quick 
Start</span></a></li><li
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href="/templates/similarproduct/dase/"><span>DASE</span></a></li><li 
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href="/templates/similarproduct/how-to/"><span>How-To</span></a></li><li 
class="level-3"><a class="final" 
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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>
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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" 
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Properties</span></a></li></ul></li></ul></li><li class="level-1"><a 
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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="/commu
 nity/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 
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href="#">Collecting and Analyzing Data</a><span 
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unifies data for your application from multiple channels.</p><p>Data can be 
exported to Apache parquet format with <code>pio export</code> for fast 
analysis. The following analytics tools are currently supported:</p> <ol> 
<li><p><a href="/datacollection/analytics-ipynb/">IPython Notebook</a></p></li> 
<li><p><a href="/datacollection/analytics-tableau/">Tableau</a></p></li> 
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