adding corr. func in python

skirui-source · Sep 2, 2021 · b198a51 · b198a51
1 parent ba6e50a
commit b198a51
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diff --git a/python/cudf/cudf/_lib/cpp/aggregation.pxd b/python/cudf/cudf/_lib/cpp/aggregation.pxd
@@ -102,3 +102,5 @@ cdef extern from "cudf/aggregation.hpp" namespace "cudf" nogil:
         udf_type type,
         string user_defined_aggregator,
         data_type output_type) except +
+
+    cdef unique_ptr[T] make_correlation_aggregation[T]() except +
diff --git a/python/cudf/cudf/core/groupby/groupby.py b/python/cudf/cudf/core/groupby/groupby.py
@@ -1021,6 +1021,10 @@ def _mimic_pandas_order(
         result.index = self.obj.index
         return result
 
+    def correlation(self):
+        """
+        """
+
 
 class DataFrameGroupBy(GroupBy, GetAttrGetItemMixin):
     """