Check if the Index only consists of integers.
Deprecated since version 2.0.0: Use pandas.api.types.is_integer_dtype instead.
Whether or not the Index only consists of integers.
See also
is_booleanCheck if the Index only consists of booleans (deprecated).
is_floatingCheck if the Index is a floating type (deprecated).
is_numericCheck if the Index only consists of numeric data (deprecated).
is_objectCheck if the Index is of the object dtype. (deprecated).
is_categoricalCheck if the Index holds categorical data (deprecated).
is_intervalCheck if the Index holds Interval objects (deprecated).
Examples
>>> idx = pd.Index([1, 2, 3, 4])
>>> idx.is_integer()
True
>>> idx = pd.Index([1.0, 2.0, 3.0, 4.0])
>>> idx.is_integer()
False
>>> idx = pd.Index(["Apple", "Mango", "Watermelon"])
>>> idx.is_integer()
False
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https://pandas.pydata.org/pandas-docs/version/2.3.0/reference/api/pandas.Index.is_integer.html