stri_replace_na: Replace Missing Values in a Character Vector#

Description#

This function gives a convenient way to replace each missing (NA) value with a given string.

Usage#

stri_replace_na(str, replacement = "NA")

Arguments#

str

character vector or an object coercible to

replacement

single string

Details#

This function is roughly equivalent to str2 <- stri_enc_toutf8(str); str2[is.na(str2)] <- stri_enc_toutf8(replacement); str2. It may be used, e.g., wherever the ‘plain R’ NA handling is desired, see Examples.

Value#

Returns a character vector.

Author(s)#

Marek Gagolewski and other contributors

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_na2empty(), stri_remove_empty()

Examples#

x <- c('test', NA)
stri_paste(x, 1:2)                           # 'test1' NA
## [1] "test1" NA
paste(x, 1:2)                                # 'test 1' 'NA 2'
## [1] "test 1" "NA 2"
stri_paste(stri_replace_na(x), 1:2, sep=' ') # 'test 1' 'NA 2'
## [1] "test 1" "NA 2"