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https://issues.apache.org/jira/browse/MADLIB-1134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16120655#comment-16120655
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Cooper Sloan commented on MADLIB-1134:
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Very good article on regularization for NN:

https://piazza-resources.s3.amazonaws.com/ieytirtomz425i/ifyrgs0anxs3d5/Oct19Lecture.pdf?AWSAccessKeyId=AKIAIEDNRLJ4AZKBW6HA&Expires=1502245062&Signature=6FGb4J8zhez0uQWsu4xtefaKlFU%3D

> Neural Networks - MLP - Phase 2
> -------------------------------
>
>                 Key: MADLIB-1134
>                 URL: https://issues.apache.org/jira/browse/MADLIB-1134
>             Project: Apache MADlib
>          Issue Type: Improvement
>          Components: Module: Neural Networks
>            Reporter: Frank McQuillan
>            Assignee: Cooper Sloan
>             Fix For: v1.12
>
>
> Follow on from https://issues.apache.org/jira/browse/MADLIB-413
> Story
> As a MADlib developer, I want to get 2nd phase implementation of NN going 
> with training and prediction functions, so that I can use this to build to an 
> MVP version for GA.
> Features to add:
> * weights for inputs
> * logic for n_tries
> * normalize inputs
> * L2 regularization
> * learning rate policy
> * warm start



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