chartplotter: Analysing and Plotting Growth Curves

#' @importFrom brokenstick    get_knots
#' @importFrom centile        y2z z2y
#' @importFrom chartbox       load_chart
#' @importFrom chartcatalog   get_breakpoints get_seq
#'                            get_tx get_ty get_ynames parse_chartcode
#' @importFrom curvematching  calculate_matches2 extract_matches
#' @importFrom donorloader    load_data
#' @importFrom dplyr          %>% all_of any_of arrange as_tibble bind_cols
#'                            bind_rows distinct filter first group_by
#'                            left_join mutate n pull rename select
#'                            slice slice_tail summarise tibble ungroup
#' @importFrom grDevices      palette
#' @importFrom grid           clipGrob editGrob gList gPath gTree gpar
#'                            grid.draw is.grob nullGrob linesGrob pointsGrob
#'                            polylineGrob removeGrob segmentsGrob
#'                            setGrob
#' @importFrom growthscreener calculate_th
#' @importFrom nlreferences   set_refcodes
#' @importFrom rlang          .data :=
#' @importFrom stats          approx na.omit predict qnorm
#' @importFrom tidyr          drop_na pivot_longer uncount
#' @importFrom utils          hasName tail
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globalVariables(".")