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Posted to issues@spark.apache.org by "zhengruifeng (Jira)" <ji...@apache.org> on 2020/03/18 07:16:00 UTC

[jira] [Created] (SPARK-31180) Implement PowerTransform

zhengruifeng created SPARK-31180:
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             Summary: Implement PowerTransform
                 Key: SPARK-31180
                 URL: https://issues.apache.org/jira/browse/SPARK-31180
             Project: Spark
          Issue Type: Improvement
          Components: ML
    Affects Versions: 3.1.0
            Reporter: zhengruifeng


{color:#5a6e5a}Power transforms are a family of parametric, monotonic transformations
{color}{color:#5a6e5a}that are applied to make data more Gaussian-like. This is useful for
{color}{color:#5a6e5a}modeling issues related to heteroscedasticity (non-constant variance),
{color}{color:#5a6e5a}or other situations where normality is desired.{color}



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