xinrong-databricks commented on a change in pull request #35840:
URL: https://github.com/apache/spark/pull/35840#discussion_r836596236
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File path: python/pyspark/pandas/frame.py
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@@ -7438,8 +7498,42 @@ def nsmallest(self, n: int, columns: Union[Name,
List[Name]]) -> "DataFrame":
0 1.0 6
1 2.0 7
2 3.0 8
+
+ The examples below show how ties are resolved, which is decided by
`keep`.
+
+ >>> tied_df = ps.DataFrame({'X': [1, 1, 2, 2, 3]}, index=['a', 'b',
'c', 'd', 'e'])
Review comment:
We may tell diff from the index of the result, for example,
```py
>>> tied_df.nlargest(3, 'X', keep='first')
X
d 3
e 3
b 2
>>> tied_df.nlargest(3, 'X', keep='last')
X
e 3
d 3
c 2
```
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