그냥 janitor::clean_names()
에서 내부 비트를 사용
# #' 'Clean' a character/factor vector like `janitor::clean_names()` does for data frame columns
# #'
# #' Most of the internals are from `janitor::clean_names()`
# #'
# #' @param x a vector of strings or factors
# #' @param refactor if `x` is a factor, return a ref-factored factor?
# #' Default: `FALSE` == return character vector.
clean_vec <- function (x, refactor=FALSE) {
require(magrittr, quietly=TRUE)
if (!(is.character(x) || is.factor(x))) return(x)
x_is_factor <- is.factor(x)
old_names <- as.character(x)
new_names <- old_names %>%
gsub("'", "", .) %>%
gsub("\"", "", .) %>%
gsub("%", "percent", .) %>%
gsub("^[ ]+", "", .) %>%
make.names(.) %>%
gsub("[.]+", "_", .) %>%
gsub("[_]+", "_", .) %>%
tolower(.) %>%
gsub("_$", "", .)
dupe_count <- sapply(1:length(new_names), function(i) {
sum(new_names[i] == new_names[1:i])
})
new_names[dupe_count > 1] <- paste(
new_names[dupe_count > 1], dupe_count[dupe_count > 1], sep = "_"
)
if (x_is_factor && refactor) factor(new_names) else new_names
}
예 :
vec <- stringi::stri_rand_strings(10, 10, pattern = "[A-Za-z0-9\\.\\-\\?_\\,\\*\\+]")
vec
## [1] "TzMF-iCHX6" "v-b+2cpul5" "JPMwpP35K6" "5Z3RQf50Tb" "HaPzKB5jhH"
## [6] "3gz6P4?0uU" "ofXkhP4Q1O" "?,4NvCjw,3" "AlG9dWJ,Ze" "MrPrvuYH4*"
clean_vec(vec)
## [1] "tzmf_ichx6" "v_b_2cpul5" "jpmwpp35k6" "x5z3rqf50tb" "hapzkb5jhh"
## [6] "x3gz6p4_0uu" "ofxkhp4q1o" "x_4nvcjw_3" "alg9dwj_ze" "mrprvuyh4"
clean_vec(factor(vec))
## [1] "tzmf_ichx6" "v_b_2cpul5" "jpmwpp35k6" "x5z3rqf50tb" "hapzkb5jhh"
## [6] "x3gz6p4_0uu" "ofxkhp4q1o" "x_4nvcjw_3" "alg9dwj_ze" "mrprvuyh4"
clean_vec(factor(vec), TRUE)
## [1] tzmf_ichx6 v_b_2cpul5 jpmwpp35k6 x5z3rqf50tb hapzkb5jhh
## [6] x3gz6p4_0uu ofxkhp4q1o x_4nvcjw_3 alg9dwj_ze mrprvuyh4
## 10 Levels: alg9dwj_ze hapzkb5jhh jpmwpp35k6 mrprvuyh4 ... x5z3rqf50tb
당신이 '열 항목을 청소'의미는 무엇입니까? – LAP