Method weighted_mean

xarray/tests/test_datatree_mapping.py:229–232

(ds)

        dt = xr.DataTree.from_dict({"a": a, "b": b})

        def weighted_mean(ds):
            if "area" not in ds.coords:
                return None
            return ds.weighted(ds.area).mean(["x", "y"])

        dt.map_over_datasets(weighted_mean)