pandas.api.types.is_categorical(arr)
[source]
Check whether an array-like is a Categorical instance.
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>>> 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
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https://pandas.pydata.org/pandas-docs/version/0.25.0/reference/api/pandas.api.types.is_categorical.html