pandas.errors.DataError

exception pandas.errors.DataError

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