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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/09/06 22:31:45 UTC
[jira] [Commented] (SPARK-9642) LinearRegression should supported
weighted data
[ https://issues.apache.org/jira/browse/SPARK-9642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14732533#comment-14732533 ]
Apache Spark commented on SPARK-9642:
-------------------------------------
User 'rotationsymmetry' has created a pull request for this issue:
https://github.com/apache/spark/pull/8631
> LinearRegression should supported weighted data
> -----------------------------------------------
>
> Key: SPARK-9642
> URL: https://issues.apache.org/jira/browse/SPARK-9642
> Project: Spark
> Issue Type: New Feature
> Components: ML
> Reporter: Meihua Wu
> Labels: 1.6
>
> In many modeling application, data points are not necessarily sampled with equal probabilities. Linear regression should support weighting which account the over or under sampling.
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