cudf.Index.isin

Index.isin(values, level=None) → ndarray

Return a boolean array where the index values are in values.

Compute boolean array of whether each index value is found in the passed set of values. The length of the returned boolean array matches the length of the index.

Parameters:

valuesset, list-like, Index

Sought values.

levelstr or int, optional

Name or position of the index level to use (if the index is a MultiIndex).

Returns:

is_containedcupy array

CuPy array of boolean values.

Examples

>>> idx = cudf.Index([1,2,3])
>>> idx
Index([1, 2, 3], dtype='int64')

Check whether each index value in a list of values.

>>> idx.isin([1, 4])
array([ True, False, False])