Verkettieren Sie die nächste Zeile zur vorherigen Zeile Pandas
'''
#Input
doc sent col1 col2 col3
0 0 0 5 4 8
1 0 1 6 3 2
2 0 2 1 2 9
3 1 0 6 1 6
4 1 1 5 1 5
#Required Output
doc sent col1 col2 col3 ncol1 ncol2 ncol3 pcol1 pcol2 pcol3
0 0 0 5 4 8 6 3 2 0 0 0
1 0 1 6 3 2 1 2 9 5 4 8
2 0 2 1 2 9 0 0 0 6 3 2
3 1 0 6 1 6 5 1 5 0 0 0
4 1 1 5 1 5 0 0 0 6 1 6
'''
#Code
cs = ['col1', 'col2', 'col3']
g = df.groupby('doc')
pd.concat([
df,
g[cs].shift(-1).add_prefix('n'),
g[cs].shift().add_prefix('p')
], axis=1).fillna(0).astype(int)
Ultimate Gohan