Xiangrui Meng created SPARK-7241:
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Summary: Pearson correlation for DataFrames
Key: SPARK-7241
URL: https://issues.apache.org/jira/browse/SPARK-7241
Project: Spark
Issue Type: Sub-task
Components: SQL
Reporter: Xiangrui Meng
Assignee: Burak Yavuz
This JIRA is for computing the Pearson linear correlation for two numerical
columns in a DataFrame. The method `corr` should live under `df.stat`:
{code}
df.stat.corr(col1, col2, method="pearson"): Double
{code}
`method` will be used when we add other correlations.
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