Provide expanding transformations.

New in version 0.18.0.

param min_periods
int, default 1

Minimum number of observations in window required to have a value (otherwise result is NA).

param center
bool, default False

Set the labels at the center of the window.

param axis

int or str, default 0


a Window sub-classed for the particular operation


This feature is currently unsupported by Intel Scalable Dataframe Compiler