Nothing
.clean_terms <- function(x) {
if (is.list(x)) {
return(names(x))
}
# get positions of variable names and see if we have
# a suffix for certain values
cleaned.pos <- regexpr(pattern = "[", x, fixed = TRUE)
# cleaned.pos <- regexpr(pattern = "(\\s|\\[)", x)
# position "-1" means we only had variable name, no suffix
replacers <- which(cleaned.pos == -1)
# replace -1 with number of chars
cleaned.pos[replacers] <- nchar(x)[replacers]
# get variable names only
x <- trimws(substr(x, 0, cleaned.pos))
# be sure to remove any brackets
trimws(sub("[", "", x, fixed = TRUE))
}
.list_to_character_terms <- function(x) {
if (is.list(x)) {
x <- unlist(lapply(names(x), function(i) {
paste0(i, " [", toString(x[[i]]), "]")
}))
}
x
}
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