Panel.cummin()

pandas.Panel.cummin

Panel.cummin(axis=None, skipna=True, *args, **kwargs) [source]

Return cumulative minimum over requested axis.

Parameters:	axis : {items (0), major_axis (1), minor_axis (2)} skipna : boolean, default True Exclude NA/null values. If an entire row/column is NA, the result will be NA
Returns:	cummin : DataFrame

See also

pandas.core.window.Expanding.min

Similar functionality but ignores NaN values.