R/misc_functions.R

In gowerc/diffdf: Dataframe Difference Tool

#' factor_to_character
#'
#' Takes a dataframe and converts any factor variables to character
#' @param dsin input dataframe
#' @param vars variables to consider for conversion. Default NULL will consider
#' every variable within the dataset
factor_to_character <- function(dsin, vars = NULL) {

    if (is.null(vars)) vars <- names(dsin)

    for (var in vars){
        if (is.factor(dsin[[var]])) {
            dsin[[var]] <- as.character(dsin[[var]])
        }
    }
    return(dsin)
}




#' has_unique_rows
#'
#' Check if a data sets rows are unique
#' @param DAT input data set (data frame)
#' @param KEYS Set of keys which should be unique
has_unique_rows <- function(DAT, KEYS) {
    DUPS <- duplicated(subset(DAT, select = KEYS))
    NDUPS <- sum(DUPS)
    return(NDUPS == 0)
}

#'convert_to_issue
#'
#'converts the count value into the correct issue format
#'@param datin data inputted
#'@importFrom tibble rownames_to_column
convert_to_issue <- function(datin) {
    datin_tibble <- tibble(
        `Variable` = names(datin),
        `No of Differences` = datin
    )

    datin_tibble_reduced <- datin_tibble[datin_tibble[["No of Differences"]] > 0, , drop = FALSE]
    return(datin_tibble_reduced)
}