pandas.errors.UnsupportedFunctionCall — pandas 2.2.3 documentation (original) (raw)

exception pandas.errors.UnsupportedFunctionCall[source]#

Exception raised when attempting to call a unsupported numpy function.

For example, np.cumsum(groupby_object).

Examples

df = pd.DataFrame({"A": [0, 0, 1, 1], ... "B": ["x", "x", "z", "y"], ... "C": [1, 2, 3, 4]} ... ) np.cumsum(df.groupby(["A"])) Traceback (most recent call last): UnsupportedFunctionCall: numpy operations are not valid with groupby. Use .groupby(...).cumsum() instead