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[英]How to split Dataframe column into two parts and replace column with splitted value
[英]how to split a dataframe in two from a specific value on a column
您可以使用布爾掩碼來執行此操作:
before = run_9[run_9['Position_(m)']<0]
after = run_9[run_9['Position_(m)']>0]
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