R/rprt_hs2fcl_nolinks.R

In SWS-Methodology/faoswsTrade: FAO Trade Module

#' Reporting on results of HS ranges matches by function hsInRange.
#'
#' @param uniqhs Data frame with columns reporter, flow, hsext and fcl.
#'   (produced in mapHS2FCL()).
#' @param tradedataname Character of length 1. Most likely `esdata` or `tldata`.
#'
#' @return Data frame with summary statistics.
#'
#' @export
#' @import dplyr

rprt_hs2fcl_nolinks <- function(uniqhs, tradedataname = NULL) {

  stopifnot(!(is.null(tradedataname)))
  stopifnot(length(tradedataname) == 1L)
  stopifnot(all(c("reporter", "flow", "hsext") %in%
                  colnames(uniqhs)))

  uniqhs <- add_area_names(uniqhs, "fao")

  hsfcl_nolinks <- uniqhs %>%
    filter_(~is.na(fcl)) %>%
    mutate_(hschap = ~stringr::str_sub(hs, end = 2L)) %>%
    select_(reporter_fao = ~reporter,
            reporter = ~name,
            ~flow,
            ~hschap,
            hs_orig = ~hs,
            hs_extend = ~hsext,
            ~fcl)

  rprt_writetable(hsfcl_nolinks, prefix = tradedataname)

  hsfcl_nolinks_statistic <- uniqhs %>%
    mutate_(nolink = ~is.na(fcl)) %>%
    group_by_(~reporter, ~name, ~flow) %>%
    summarize_(nolinks = ~sum(nolink),
               nolinks_prop = ~nolinks / n()) %>%
    filter_(~nolinks > 0L)

  rprt_writetable(hsfcl_nolinks_statistic, prefix = tradedataname)

  hsfcl_nolinks_statistic <- hsfcl_nolinks_statistic %>%
    group_by_(~flow) %>%
    arrange_(~dplyr::desc(nolinks)) %>%
    mutate_(nolinks_prop = ~scales::percent(nolinks_prop)) %>%
    ungroup()

  rprt_fulltable(hsfcl_nolinks_statistic, prefix = tradedataname)
}