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我有以下特征的数据帧:结合排,交换列值中的R
one = c("A", "A", "B" ,"C")
two = c("B", "C", "A", "A")
three = c(150, 0, 0, 160)
four = c(0, 200, 190, 0)
df <- data.frame(one, two, three, four)
df
one two three four
1 A B 150 0
2 A C 0 200
3 B A 0 190
4 C A 160 0
我想,其中一列的值出现在两个列,反之亦然,以行合并:
one two three four
1 A B 150 200
2 A C 190 160
有没有办法在dplyr中做到这一点? 其他建议也非常感谢。
这可能是http://stackoverflow.com/q/15487151的副本 – Frank