Jihong MA created SPARK-10641:
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Summary: skewness and kurtosis support
Key: SPARK-10641
URL: https://issues.apache.org/jira/browse/SPARK-10641
Project: Spark
Issue Type: New Feature
Components: ML, SQL
Reporter: Jihong MA
Implementing skewness and kurtosis support based on following algorithm:
https://en.wikipedia.org/wiki/Algorithms_for_calculating_variance#Higher-order_statistics
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