pandas.api.types.is_categorical_dtype(arr_or_dtype)
[source]
Check whether an array-like or dtype is of the Categorical dtype.
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>>> 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
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https://pandas.pydata.org/pandas-docs/version/0.25.0/reference/api/pandas.api.types.is_categorical_dtype.html