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pandas.core.groupby.DataFrameGroupBy.cummax¶

DataFrameGroupBy.cummax(axis=None, dtype=None, out=None, skipna=True)¶

Return cumulative max over requested axis.

Parameters :

axis : {index (0), columns (1)}

skipna : boolean, default True

Exclude NA/null values. If an entire row/column is NA, the result will be NA

Returns :

max : Series