stringi (version 0.2-5)

stri_replace_na: Replace Missing Values in a Character Vector

Description

This function offers a convenient way to replace each NA in a character vector with a given string.

Usage

stri_replace_na(str, replacement = "NA")

Arguments

str

character vector or an object coercible to

replacement

single string

Value

• Returns a character vector.

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 ``plain R'' NA handling is desired, see Examples.

See Also

Other search_replace: stri_replace_all_charclass, stri_replace_first_charclass, stri_replace_first_charclass, stri_replace_last_charclass, stri_replace_last_charclass; stri_replace_all_coll, stri_replace_first_coll, stri_replace_first_coll, stri_replace_last_coll, stri_replace_last_coll; stri_replace_all_fixed, stri_replace_first_fixed, stri_replace_first_fixed, stri_replace_last_fixed, stri_replace_last_fixed; stri_replace_all_regex, stri_replace_first_regex, stri_replace_first_regex, stri_replace_last_regex, stri_replace_last_regex; stri_replace_all; stri_replace_first; stri_replace_last; stri_replace; stringi-search

Examples

x <- c('test', NA)
if (stri_install_check(silent=TRUE))
stri_paste(x, 1:2)                           # "test1" NA

if (stri_install_check(silent=TRUE))
paste(x, 1:2)                                # "test 1" "NA 2"

if (stri_install_check(silent=TRUE))
stri_paste(stri_replace_na(x), 1:2, sep=' ') # "test 1" "NA 2"