cudf.DataFrame.scatter_by_map

DataFrame.scatter_by_map(map_index, map_size=None, keep_index=True, debug: bool = False)

Scatter to a list of dataframes.

Uses map_index to determine the destination of each row of the original DataFrame.

Parameters:

map_indexSeries, str or list-like

Scatter assignment for each row

map_sizeint

Length of output list. Must be >= uniques in map_index

keep_indexbool

Conserve original index values for each row

Returns:

A list of cudf.DataFrame objects.

Raises:

ValueError

If the map_index has invalid entries (not all in [0, num_partitions)).