[GitHub] spark issue #23146: [SPARK-26173] [MLlib] Prior regularization for Logistic ...

2018-12-03 Thread elfausto
Github user elfausto commented on the issue:

https://github.com/apache/spark/pull/23146
  
Thanks for your review, @srowen.

I added a link to the PR's description and the JIRA ticket pointing to the 
reference Python implementation I used for unit testing.

Prior regularization fits nicely with taking a Bayesian approach to 
Logistic Regression by posing a Gaussian prior and taking a Laplace 
approximation to the posterior. I'm not sure about approaching other 
regularized models in the same fashion.

As a reference, besides this being a textbook algorithm, the original 
motivation for its implementation at [Affectv](https://affectv.com/), was the 
following paper showing its application to display advertising: _Olivier 
Chapelle , Eren Manavoglu , Romer Rosales, Simple and Scalable Response 
Prediction for Display Advertising, ACM Transactions on Intelligent Systems and 
Technology (TIST), v.5 n.4, January 2015_.


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[GitHub] spark issue #23146: [SPARK-26173] [MLlib] Prior regularization for Logistic ...

2018-11-29 Thread sujithjay
Github user sujithjay commented on the issue:

https://github.com/apache/spark/pull/23146
  
cc: @kiszk @viirya @yanboliang @srowen 
Could you please review this PR?


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[GitHub] spark issue #23146: [SPARK-26173] [MLlib] Prior regularization for Logistic ...

2018-11-29 Thread elfausto
Github user elfausto commented on the issue:

https://github.com/apache/spark/pull/23146
  
Thanks for your feedback @sujithjay. I expanded the description and Jira 
ticket with the requested details. Please let me know if anything is missing.


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[GitHub] spark issue #23146: [SPARK-26173] [MLlib] Prior regularization for Logistic ...

2018-11-29 Thread sujithjay
Github user sujithjay commented on the issue:

https://github.com/apache/spark/pull/23146
  
Hi @elfausto , 
Could you update the ticket with a detailed description, to help out the 
reviewers. Also, please mention the test classes added/updated in this PR in 
the description. Thank you.


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[GitHub] spark issue #23146: [SPARK-26173] [MLlib] Prior regularization for Logistic ...

2018-11-26 Thread AmplabJenkins
Github user AmplabJenkins commented on the issue:

https://github.com/apache/spark/pull/23146
  
Can one of the admins verify this patch?


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[GitHub] spark issue #23146: [SPARK-26173] [MLlib] Prior regularization for Logistic ...

2018-11-26 Thread AmplabJenkins
Github user AmplabJenkins commented on the issue:

https://github.com/apache/spark/pull/23146
  
Can one of the admins verify this patch?


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[GitHub] spark issue #23146: [SPARK-26173] [MLlib] Prior regularization for Logistic ...

2018-11-26 Thread AmplabJenkins
Github user AmplabJenkins commented on the issue:

https://github.com/apache/spark/pull/23146
  
Can one of the admins verify this patch?


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