Github user holdenk commented on a diff in the pull request:
https://github.com/apache/spark/pull/17494#discussion_r109538706
--- Diff: python/pyspark/ml/stat.py ---
@@ -71,6 +71,62 @@ def test(dataset, featuresCol, labelCol):
return _java2py(sc, javaTestObj.test(*args))
+class Correlation(object):
+ """
+ .. note:: Experimental
+
+ Compute the correlation matrix for the input dataset of Vectors using
the specified method.
+ Methods currently supported: `pearson` (default), `spearman`.
--- End diff --
So the Scala documentation had a warning about caching being suggested when
using Spearman, would it make sense to copy this warning over as well?
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