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interpret single level vectors correctly

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Andreas Gammelgaard Damsbo 2025-03-04 13:54:58 +01:00
parent bb24a7d7bd
commit 3c4b132fb4
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2 changed files with 27 additions and 12 deletions
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2
NEWS.md
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@ -2,7 +2,7 @@
* FIX: `as_factor()` now interprets empty variables with empty levels attribute as logicals to avoid returning factors with empty levels.
* NEW: `as_logical()`: interprets vectors with two levels as logical if values matches supplied list of logical pairs like "TRUE"/"FALSE", "Yes"/"No" or 1/2. Eases interpretation of data from databases with minimal metadata.
* NEW: `as_logical()`: interprets vectors with two levels as logical if values matches supplied list of logical pairs like "TRUE"/"FALSE", "Yes"/"No" or 1/2. Eases interpretation of data from databases with minimal metadata. Works on vectors and for data.frames. Interprets vectors with single value also matching to any of supplied levels (Chooses first match pair if several matches).
# REDCapCAST 25.1.1

19
R/as_logical.R
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@ -22,6 +22,9 @@
#' as_logical() |>
#' sapply(class)
#' ds$A |> class()
#' sample(c("TRUE",NA), 20, TRUE) |>
#' as_logical()
#' as_logical(0)
#' @name as_logical
as_logical <- function(x,
values = list(
@ -69,8 +72,8 @@ as_logical.default <- function(x,
"factor",
"numeric"
) %in% class(x)
) &&
length(unique(x[!is.na(x)])) == 2) {
)){
if (length(unique(x[!is.na(x)])) == 2) {
if (is.factor(x)) {
match_index <- which(sapply(values, \(.x){
all(.x %in% levels(x))
@ -80,6 +83,18 @@ as_logical.default <- function(x,
all(.x %in% x)
}))
}
} else if (length(unique(x[!is.na(x)])) == 1){
if (is.factor(x)) {
match_index <- which(sapply(values, \(.x){
any(.x %in% levels(x))
}))
} else {
match_index <- which(sapply(values, \(.x){
any(.x %in% x)
}))
}
}
if (length(match_index) == 1) {
out <- x == values[[match_index]][1]
} else if (length(match_index) > 1) {