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.

Parameters

arr_or_dtype :array-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

>>> 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