Pandas Series: cummax() function

Cumulative maximum over a Pandas DataFrame or Series axis

The cummax() function is used to get cumulative maximum over a DataFrame or Series axis.


Series.cummax(self, axis=None, skipna=True, *args, **kwargs)
Pandas Series cummax image


Name Description Type/Default Value Required / Optional
axis The index or the name of the axis. 0 is equivalent to None or ‘index’. {0 or ‘index’, 1 or ‘columns’}
Default Value: 0
skipna Exclude NA/null values. If an entire row/column is NA, the result will be NA. boolean
Default Value: True
*args, **kwargs Additional keywords have no effect but might be accepted for compatibility with NumPy. Required

Returns: scalar or Series


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