# ==================================================================== # # TITLE # # Antimicrobial Resistance (AMR) Analysis # # # # SOURCE # # https://github.com/msberends/AMR # # # # LICENCE # # (c) 2018-2020 Berends MS, Luz CF et al. # # # # This R package is free software; you can freely use and distribute # # it for both personal and commercial purposes under the terms of the # # GNU General Public License version 2.0 (GNU GPL-2), as published by # # the Free Software Foundation. # # # # We created this package for both routine data analysis and academic # # research and it was publicly released in the hope that it will be # # useful, but it comes WITHOUT ANY WARRANTY OR LIABILITY. # # Visit our website for more info: https://msberends.github.io/AMR. # # ==================================================================== # #' Class 'disk' #' #' This transforms a vector to a new class [`disk`], which is a growth zone size (around an antibiotic disk) in millimetres between 6 and 50. #' @inheritSection lifecycle Stable lifecycle #' @rdname as.disk #' @param x vector #' @param na.rm a logical indicating whether missing values should be removed #' @details Interpret disk values as RSI values with [as.rsi()]. It supports guidelines from EUCAST and CLSI. #' @return An [`integer`] with additional new class [`disk`] #' @aliases disk #' @export #' @seealso [as.rsi()] #' @inheritSection AMR Read more on our website! #' @examples #' \dontrun{ #' # transform existing disk zones to the `disk` class #' library(dplyr) #' df <- data.frame(microorganism = "E. coli", #' AMP = 20, #' CIP = 14, #' GEN = 18, #' TOB = 16) #' df <- df %>% mutate_at(vars(AMP:TOB), as.disk) #' df #' #' # interpret disk values, see ?as.rsi #' as.rsi(x = as.disk(18), #' mo = "Strep pneu", # `mo` will be coerced with as.mo() #' ab = "ampicillin", # and `ab` with as.ab() #' guideline = "EUCAST") #' #' as.rsi(df) #' } as.disk <- function(x, na.rm = FALSE) { if (!is.disk(x)) { x <- x %>% unlist() if (na.rm == TRUE) { x <- x[!is.na(x)] } x.bak <- x na_before <- length(x[is.na(x)]) # heavily based on the function from our cleaner package: clean_double2 <- function(x, remove = "[^0-9.,-]", fixed = FALSE) { x <- gsub(",", ".", x) # remove ending dot/comma x <- gsub("[,.]$", "", x) # only keep last dot/comma reverse <- function(x) sapply(lapply(strsplit(x, NULL), rev), paste, collapse = "") x <- sub("{{dot}}", ".", gsub(".", "", reverse(sub(".", "}}tod{{", reverse(x), fixed = TRUE)), fixed = TRUE), fixed = TRUE) x_clean <- gsub(remove, "", x, ignore.case = TRUE, fixed = fixed) # remove everything that is not a number or dot as.numeric(gsub("[^0-9.]+", "", x_clean)) } # round up and make it an integer x <- as.integer(ceiling(clean_double2(x))) # disks can never be less than 6 mm (size of smallest disk) or more than 50 mm x[x < 6 | x > 50] <- NA_integer_ na_after <- length(x[is.na(x)]) if (na_before != na_after) { list_missing <- x.bak[is.na(x) & !is.na(x.bak)] %>% unique() %>% sort() list_missing <- paste0('"', list_missing, '"', collapse = ", ") warning(na_after - na_before, " results truncated (", round(((na_after - na_before) / length(x)) * 100), "%) that were invalid disk zones: ", list_missing, call. = FALSE) } } structure(as.integer(x), class = c("disk", "integer")) } all_valid_disks <- function(x) { x_disk <- suppressWarnings(as.disk(x[!is.na(x)])) !any(is.na(x_disk)) & !all(is.na(x)) } #' @rdname as.disk #' @export is.disk <- function(x) { inherits(x, "disk") } #' @method pillar_shaft disk #' @export pillar_shaft.disk <- function(x, ...) { style_na <- import_fn("style_na", "pillar", error_on_fail = FALSE) new_pillar_shaft_simple <- import_fn("new_pillar_shaft_simple", "pillar", error_on_fail = FALSE) out <- trimws(format(x)) out[is.na(x)] <- style_na(NA) new_pillar_shaft_simple(out, align = "right", min_width = 3) } #' @method type_sum disk #' @export type_sum.disk <- function(x, ...) { "disk" } #' @method print disk #' @export #' @noRd print.disk <- function(x, ...) { cat("Class \n") print(as.integer(x), quote = FALSE) } #' @method [ disk #' @export #' @noRd "[.disk" <- function(x, ...) { y <- NextMethod() attributes(y) <- attributes(x) y } #' @method [[ disk #' @export #' @noRd "[[.disk" <- function(x, ...) { y <- NextMethod() attributes(y) <- attributes(x) y } #' @method [<- disk #' @export #' @noRd "[<-.disk" <- function(i, j, ..., value) { value <- as.disk(value) y <- NextMethod() attributes(y) <- attributes(i) y } #' @method [[<- disk #' @export #' @noRd "[[<-.disk" <- function(i, j, ..., value) { value <- as.disk(value) y <- NextMethod() attributes(y) <- attributes(i) y } #' @method c disk #' @export #' @noRd c.disk <- function(x, ...) { y <- NextMethod() y <- as.disk(y) attributes(y) <- attributes(x) y }