pandas.api.types.is_categorical¶
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pandas.api.types.
is_categorical
(arr)[source]¶ Check whether an array-like is a Categorical instance.
Parameters: arr : array-like
The array-like to check.
Returns: boolean : Whether or not the array-like is of a Categorical instance.
Examples
>>> is_categorical([1, 2, 3]) False
Categoricals, Series Categoricals, and CategoricalIndex will return True.
>>> cat = pd.Categorical([1, 2, 3]) >>> is_categorical(cat) True >>> is_categorical(pd.Series(cat)) True >>> is_categorical(pd.CategoricalIndex([1, 2, 3])) True