adding series.transpose

docs/cudf/source/api_docs/series.rst

@@ -206,6 +206,7 @@ Reshaping, sorting
    Series.scatter_by_map
    Series.searchsorted
    Series.repeat
+   Series.transpose
 
 Combining / comparing / joining / merging / encoding
 ----------------------------------------------------

python/cudf/cudf/core/series.py

@@ -2788,6 +2788,12 @@ def cov(self, other, min_periods=None):
 
         return lhs._column.cov(rhs._column)
 
+    def transpose(self):
+        """Return the transpose, which is by definition self.
+        """
+
+        return self
+
     def corr(self, other, method="pearson", min_periods=None):
         """Calculates the sample correlation between two Series,
         excluding missing values.

python/cudf/cudf/tests/test_series.py

@@ -1346,3 +1346,14 @@ def test_nullable_bool_dtype_series(data, bool_dtype):
     gsr = cudf.Series(data, dtype=bool_dtype)
 
     assert_eq(psr, gsr.to_pandas(nullable=True))
+
+
+@pytest.mark.parametrize("cudf_series", [(cudf.Series([0, 1, 2, 3]))])
+def test_series_transpose(cudf_series):
+    psr = cudf_series.to_pandas()
+
+    cudf_transposed = cudf_series.transpose()
+    pd_transposed = psr.transpose()
+
+    assert_eq(pd_transposed, cudf_transposed)
+    assert_eq(cudf_transposed, cudf_series)