Is this page helpful?

cudf.core.groupby.DataFrameGroupBy.pct_change#

DataFrameGroupBy.pct_change( periods: int = 1, fill_method: None = None, freq=None, )[source]#

Calculates the percent change between sequential elements in the group.

Parameters:

periodsint, default 1: Periods to shift for forming percent change.
fill_methodNone: Must be None.
freqstr, optional: Increment to use from time series API. Not yet implemented.

Returns:

Series or DataFrame: Percentage changes within each group