Method align

dask/dataframe/dask_expr/_collection.py:2084–2086

(self, other, join="outer", axis=None, fill_value=None)

    @derived_from(pd.DataFrame)
    def align(self, other, join="outer", axis=None, fill_value=None):
        other = self._create_alignable_frame(other, join)
        return self.expr.align(other.expr, join, axis, fill_value)

    def nunique_approx(self, split_every=None):
        """Approximate number of unique rows.