Method std

dask/dataframe/dask_expr/_collection.py:4776–4777

(self, *args, **kwargs)

        raise AttributeError("'Index' object has no attribute 'mean'")

    def std(self, *args, **kwargs):
        raise AttributeError("'Index' object has no attribute 'std'")

    def var(self, *args, **kwargs):
        raise AttributeError("'Index' object has no attribute 'var'")