for example, there is data
A B C
1 1 br 2 3
2 3 3
3 4 record5 1 3
such a table should be divided into
A B C
1 13
1 23
2 3
3 43
1 53
1 63
excuse me how to operate
for example, there is data
A B C
1 1 br 2 3
2 3 3
3 4 record5 1 3
such a table should be divided into
A B C
1 13
1 23
2 3
3 43
1 53
1 63
excuse me how to operate
the easiest way is to break it up in a loop. The easiest way to go first:
df = pd.DataFrame({'A':['1','2','3'],'B':['1','2,3','4,5,6'],'C':['3','3','3']})
df = (df.set_index(['A','C'])['B']
.str.split(',', expand=True)
.stack()
.reset_index(level=2, drop=True)
.reset_index(name='B'))
print(df)Previous: How does bootstrap set the margins?
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