pandas.core.groupby.DataFrameGroupBy.cummax
- DataFrameGroupBy. cummax ( axis=0, **kwargs ) [source]
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Cumulative max for each group.
- Returns
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- Series or DataFrame
See also
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Series.groupby
-
Apply a function groupby to a Series.
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DataFrame.groupby
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Apply a function groupby to each row or column of a DataFrame.
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Licensed under the 3-clause BSD License.
https://pandas.pydata.org/pandas-docs/version/1.4.0/reference/api/pandas.core.groupby.DataFrameGroupBy.cummax.html