pandas.errors.InvalidIndexError — pandas 3.0.0.dev0+2098.g9c5b9ee823 documentation (original) (raw)

exception pandas.errors.InvalidIndexError[source]#

Exception raised when attempting to use an invalid index key.

This exception is triggered when a user attempts to access or manipulate data in a pandas DataFrame or Series using an index key that is not valid for the given object. This may occur in cases such as using a malformed slice, a mismatched key for a MultiIndex, or attempting to access an index element that does not exist.

See also

MultiIndex

A multi-level, or hierarchical, index object for pandas objects.

Examples

idx = pd.MultiIndex.from_product([["x", "y"], [0, 1]]) df = pd.DataFrame([[1, 1, 2, 2], [3, 3, 4, 4]], columns=idx) df x y 0 1 0 1 0 1 1 2 2 1 3 3 4 4 df[:, 0] Traceback (most recent call last): InvalidIndexError: (slice(None, None, None), 0)