pandas.api.types.is_categorical_dtype#

pandas.api.types.is_categorical_dtype(arr_or_dtype)[source]#

Check whether an array-like or dtype is of the Categorical dtype.

Deprecated since version 2.2.0:Use isinstance(dtype, pd.CategoricalDtype) instead.

Parameters:

arr_or_dtypearray-like or dtype

The array-like or dtype to check.

Returns:

boolean

Whether or not the array-like or dtype is of the Categorical dtype.

Examples

>>>frompandas.api.typesimportis_categorical_dtype>>>frompandasimportCategoricalDtype>>>is_categorical_dtype(object)False>>>is_categorical_dtype(CategoricalDtype())True>>>is_categorical_dtype([1,2,3])False>>>is_categorical_dtype(pd.Categorical([1,2,3]))True>>>is_categorical_dtype(pd.CategoricalIndex([1,2,3]))True