Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/7430#discussion_r34863180
--- Diff: python/pyspark/mllib/stat/_statistics.py ---
@@ -238,6 +242,54 @@ def chiSqTest(observed, expected=None):
jmodel = callMLlibFunc("chiSqTest",
_convert_to_vector(observed), expected)
return ChiSqTestResult(jmodel)
+ @staticmethod
+ @ignore_unicode_prefix
+ def kolmogorovSmirnovTest(data, distName="norm", *params):
+ """
+ .. note:: Experimental
+
+ Performs the Kolmogorov Smirnov (KS) test for data sampled from a
continuous
+ distribution. It tests the null hypothesis that the data is
generated from a
+ particular distribution.
+
+ The given data is sorted, the Empirical Cumulative Distribution
Function (ECDF)
--- End diff --
pydoc should have max line width 72 per PEP8.
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