pandas.api.extensions.ExtensionArray.isin — pandas 2.2.3 documentation (original) (raw)

ExtensionArray.isin(values)[source]#

Pointwise comparison for set containment in the given values.

Roughly equivalent to np.array([x in values for x in self])

Parameters:

valuesnp.ndarray or ExtensionArray

Returns:

np.ndarray[bool]

Examples

arr = pd.array([1, 2, 3]) arr.isin([1]) [True, False, False] Length: 3, dtype: boolean