Whitespace string can't be replaced with NA in R

Question

I want to substitute whitespaces with NA. A simple way could be df[df == \"\"] <- NA, and that works for most of the cells of my data frame....but not for ev

Answer 1

I just spent some time trying to determine a method usable in a pipe.

Here is my method:

df <- df %>% 
    dplyr::mutate_all(funs(sub("^\\s*$", NA, .)))

Hope this helps the next searcher.