Method isna

dask/dataframe/dask_expr/_collection.py:1929–1930

(self)

    @derived_from(pd.DataFrame)
    def isna(self):
        return new_collection(self.expr.isna())

    def random_split(self, frac, random_state=None, shuffle=False):
        """Pseudorandomly split dataframe into different pieces row-wise