pyspark.pandas.Series.is_unique#

property Series.is_unique#

Return boolean if values in the object are unique

Returns
is_uniqueboolean
>>> ps.Series([1, 2, 3]).is_unique
    ..
True
>>> ps.Series([1, 2, 2]).is_unique
    ..
False
>>> ps.Series([1, 2, 3, None]).is_unique
    ..
True