pandas.errors.DataError#
- exception pandas.errors.DataError[source]#
Exceptionn 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.Examples
>>> ser = pd.Series(['a', 'b', 'c']) >>> ser.rolling(2).sum() Traceback (most recent call last): DataError: No numeric types to aggregate