daft.dataframe.dataframe.GroupedDataFrame.sum
daft.dataframe.dataframe.GroupedDataFrame.sum#
- GroupedDataFrame.sum(*cols: Union[daft.expressions.expressions.Expression, str]) daft.dataframe.dataframe.DataFrame[source]#
Perform grouped sum on this GroupedDataFrame.
- Parameters
*cols (Union[str, Expression]) – columns to sum
- Returns
DataFrame with grouped sums.
- Return type