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Posted to issues@spark.apache.org by "Meihua Wu (JIRA)" <ji...@apache.org> on 2015/08/05 17:59:05 UTC

[jira] [Created] (SPARK-9642) LinearRegression should supported weighted data

Meihua Wu created SPARK-9642:
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             Summary: 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


In every 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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