“Dplyr bermutasi dengan nilai bersyarat” Kode Jawaban

Dplyr bermutasi dengan nilai bersyarat

myfile %>% mutate(V5 = (V1 == 1 & V2 != 4) + 2 * (V2 == 4 & V3 != 1))
or
myfile %>% mutate(V5 = ifelse(V1 == 1 & V2 != 4, 1, ifelse(V2 == 4 & V3 != 1, 2, 0)))

  V1 V2 V3 V4
1  1  2  3  5
2  2  4  4  1
3  1  4  1  1
4  4  5  1  3
5  5  5  5  4
...


  V1 V2 V3 V4 V5
1  1  2  3  5  1
2  2  4  4  1  2
3  1  4  1  1  0
4  4  5  1  3  0
5  5  5  5  4  0