r - mean function producing same result -


the mean function acting weird, producing 0.3880952

h10 <- h10 %>%    rowwise() %>%    mutate(t10dv = mean(c(fd$dv1_c, fd$dv2_c,                          fd$dv3_c, fd$dv4_c),           na.rm = true))  head(h10)              dv1_c           dv2_c         dv3_c           dv4_c     t10dv             <int>           <int>           <int>           <int>     <dbl> 1               1               0               0               1 0.3880952 2              -1               0               2              -1 0.3880952 3               0               0               0               0 0.3880952 4               0               2               1               1 0.3880952 5              -1              -1              -1              -2 0.3880952 6              -2               0               0               0 0.3880952

what should simply:

h10$t10dv <- rowmeans(h10[c("dv1_c", "dv2_c", "dv3_c", "dv4_c")])

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