python pandas:将逗号分隔的列拆分为新列-每个值一个
问题描述:
我有一个像这样的数据框:
I have a dataframe like this:
data = np.array([["userA","event2, event3"],
['userB',"event3, event4"],
['userC',"event2"]])
data = pd.DataFrame(data)
0 1
0 userA "event2, event3"
1 userB "event3, event4"
2 userC "event2"
现在我想获得一个这样的数据框:
now I would like to get a dataframe like this:
0 event2 event3 event4
0 userA 1 1
1 userB 1 1
2 userC 1
有人可以帮忙吗?