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# 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