bach.DataFrame.var
var
(axis=1, skipna=True, level=None, ddof=1, numeric_only=False, **kwargs)Returns the unbiased variance of each column.
Parameters
axis
– onlyaxis=1
is supported. This means columns are aggregated.skipna
– onlyskipna=True
supported. This means NULL values are ignored.level
– not supported.ddof
(int) – Delta Degrees of Freedom. Only 1 is supported.numeric_only
– whether to aggregate numeric series only, or attempt all.
Returns
a new DataFrame with the aggregation applied to all selected columns.