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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