Method _create_data

pandas/core/window/rolling.py:264–273

Split data into blocks & return conformed data.

(self, obj: NDFrameT, numeric_only: bool = False)

        return result

    def _create_data(self, obj: NDFrameT, numeric_only: bool = False) -> NDFrameT:
        """
        Split data into blocks & return conformed data.
        """
        # filter out the on from the object
        if self.on is not None and not isinstance(self.on, Index) and obj.ndim == 2:
            obj = obj.reindex(columns=obj.columns.difference([self.on], sort=False))
        if obj.ndim > 1 and numeric_only:
            obj = self._make_numeric_only(obj)
        return obj

    def _gotitem(self, key, ndim, subset=None):
        """