pandas / 0.25.0 / reference / api / pandas.core.groupby.groupby.tail.html /

pandas.core.groupby.GroupBy.tail

GroupBy.tail(self, n=5) [source]

Return last n rows of each group.

Essentially equivalent to .apply(lambda x: x.tail(n)), except ignores as_index flag.

Returns:
Series or DataFrame

See also

Series.groupby
DataFrame.groupby

Examples

>>> df = pd.DataFrame([['a', 1], ['a', 2], ['b', 1], ['b', 2]],
...                   columns=['A', 'B'])
>>> df.groupby('A').tail(1)
   A  B
1  a  2
3  b  2
>>> df.groupby('A').head(1)
   A  B
0  a  1
2  b  1

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https://pandas.pydata.org/pandas-docs/version/0.25.0/reference/api/pandas.core.groupby.GroupBy.tail.html