This function replaces all missing values with empty strings.
See stri_replace_na for a generalization.
See also
The official online manual of stringi at https://stringi.gagolewski.com/
Gagolewski M., stringi: Fast and portable character string processing in R, Journal of Statistical Software 103(2), 2022, 1-59, doi:10.18637/jss.v103.i02
Other utils:
stri_list2matrix(),
stri_remove_empty(),
stri_replace_na()
Author
Marek Gagolewski and other contributors
Examples
stri_na2empty(c('a', NA, '', 'b'))
#> [1] "a" "" "" "b"