Index.
is_categorical
Check if the Index holds categorical data.
True if the Index is categorical.
See also
CategoricalIndex
Index for categorical data.
Examples
>>> idx = pd.Index(["Watermelon", "Orange", "Apple", ... "Watermelon"]).astype("category") >>> idx.is_categorical() True
>>> idx = pd.Index([1, 3, 5, 7]) >>> idx.is_categorical() False
>>> s = pd.Series(["Peter", "Victor", "Elisabeth", "Mar"]) >>> s 0 Peter 1 Victor 2 Elisabeth 3 Mar dtype: object >>> s.index.is_categorical() False