if is na r code example

Example 1: r na if

dat <-  dat %>% mutate(x = replace(x, x<0, NA))

Example 2: if not na in r

> apply(p, 1, function(x) which(!is.na(x)) )
[[1]]
[1] 2 3

[[2]]
[1] 4 7

[[3]]
integer(0)

[[4]]
[1] 5

[[5]]
integer(0)