我想选择数据框中的行,这些行在列列表的每列中都为零.例如这个df:
In: df = pd.DataFrame([[1,2,3,6],[2,4,6,8],[0,4],[1,0]],columns =['a','b','c','d']) df Out: a b c d 0 1 2 3 6 1 2 4 6 8 2 0 0 3 4 3 1 0 3 4 4 0 0 0 0
然后:
In: mylist = ['a','b'] selection = df.loc[df['mylist']==0] selection
我想看看:
Out: a b c d 2 0 0 3 4 4 0 0 0 0
应该很简单,但我的日子很慢!