def is_categorical(self):
return self.inferred_type in ['<STR_LIT>']<EOL>
Check if the Index holds categorical data.

Returns
-------
boolean
    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