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https://issues.apache.org/jira/browse/SPARK-7222?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiangrui Meng resolved SPARK-7222.
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Resolution: Fixed
Fix Version/s: 1.4.0
Issue resolved by pull request 5767
[https://github.com/apache/spark/pull/5767]
> Added mathematical derivation in comment and compressed the model to
> LinearRegression with ElasticNet
> -----------------------------------------------------------------------------------------------------
>
> Key: SPARK-7222
> URL: https://issues.apache.org/jira/browse/SPARK-7222
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Reporter: DB Tsai
> Fix For: 1.4.0
>
>
> Added detailed mathematical derivation of how scaling and
> LeastSquaresAggregator work. Also refactored the code so the model is
> compressed based on the storage. We may try compress based on the prediction
> time. TODO: Add test that fail the test when the correction terms are not
> correctly computed.
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