DOC: cross reference similar Series.unique and Series.drop_duplicates methods (pandas-dev#47274)

Author: tswast

pandas/core/series.py

@@ -2073,6 +2073,7 @@ def unique(self) -> ArrayLike:
 
  See Also
  --------
+ Series.drop_duplicates : Return Series with duplicate values removed.
  unique : Top-level unique method for any 1-d array-like object.
  Index.unique : Return Index with unique values from an Index object.
 
@@ -2163,6 +2164,7 @@ def drop_duplicates(self, keep="first", inplace=False) -> Series | None:
  DataFrame.drop_duplicates : Equivalent method on DataFrame.
  Series.duplicated : Related method on Series, indicating duplicate
  Series values.
+ Series.unique : Return unique values as an array.
 
  Examples
  --------