Class DataError

pandas/errors/__init__.py:615–633

Exception raised when performing an operation on non-numerical data. For example, calling ``ohlc`` on a non-numerical column or a function on a rolling window. See Also -------- Series.rolling : Provide rolling window calculations on Series object. DataFrame.rolling :

class DataError(Exception):
    """
    Exception raised when performing an operation on non-numerical data.

    For example, calling ``ohlc`` on a non-numerical column or a function
    on a rolling window.

    See Also
    --------
    Series.rolling : Provide rolling window calculations on Series object.
    DataFrame.rolling : Provide rolling window calculations on DataFrame object.

    Examples
    --------
    >>> ser = pd.Series(["a", "b", "c"])
    >>> ser.rolling(2).sum()
    Traceback (most recent call last):
    DataError: No numeric types to aggregate
    """


class SpecificationError(Exception):