Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/5842#discussion_r29565642
--- Diff: python/pyspark/sql/dataframe.py ---
@@ -889,6 +889,23 @@ def cov(self, col1, col2):
raise ValueError("col2 should be a string.")
return self._jdf.stat().cov(col1, col2)
+ def crosstab(self, col1, col2):
+ """
+ Computes a pair-wise frequency table of the given columns. Also
known as a contingency
+ table. The number of distinct values for each column should be
less than 1e5. The first
+ column of each row will be the distinct values of `col1` and the
column names will be the
--- End diff --
Document the first column name. `1e5` -> `1e4`.
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