realno opened a new pull request #1561:
URL: https://github.com/apache/arrow-datafusion/pull/1561


   # Which issue does this PR close?
   
   This PR add the `corr` function which is part of 
https://github.com/apache/arrow-datafusion/issues/1486
   
    # Rationale for this change
   
   Add correlation function to DataFusion.
   
   # What changes are included in this PR?
   
   New function `corr(col1, co2)` is added.
   
   # Are there any user-facing changes?
   
   New function `corr(col1, co2)` is added.
   
   No breaking change.


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