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#' Metadata for GIFT regions
#'
#' Retrieves miscellaneous information for GIFT regions.
#'
#' @template GIFT_version_api
#'
#' @return
#' A data frame with 7 columns.
#'
#' @details Here is the detail of each column:
#'
#' \emph{entity_ID} - Identification number of GIFT polygons\cr
#' \emph{geo_entity} - Name of GIFT polygons\cr
#' \emph{suit_geo} - Whether the polygon is suitable\cr
#' \emph{entity_class} - Class of the polygon\cr
#' \emph{entity_type} - Type of the polygon\cr
#' \emph{TDWG_lvl3_ID} - Whether the polygon is a TDWG region (see
#' https://www.tdwg.org/)\cr
#' \emph{country} - Whether the polygon is a country
#'
#' @references
#' Denelle, P., Weigelt, P., & Kreft, H. (2023). GIFT—An R package to
#' access the Global Inventory of Floras and Traits. Methods in Ecology
#' and Evolution, 14, 2738-2748.
#' https://doi.org/10.1111/2041-210X.14213
#'
#' Weigelt, P, König, C, Kreft, H. GIFT – A Global Inventory of Floras and
#' Traits for macroecology and biogeography. J Biogeogr. 2020; 47: 16– 43.
#' https://doi.org/10.1111/jbi.13623
#'
#' @seealso [GIFT::GIFT_env_meta_misc()]
#'
#' @examples
#' \donttest{
#' ex <- GIFT_regions()
#' }
#'
#' @importFrom jsonlite read_json
#' @importFrom dplyr mutate_at
#'
#' @export
GIFT_regions <- function(api = "https://gift.uni-goettingen.de/api/extended/",
GIFT_version = "latest"){
api_check <- check_api(api)
if(is.null(api_check)){
return(NULL)
} else{
GIFT_version <- check_gift_version_simple(GIFT_version)
tmp <- jsonlite::read_json(paste0(
api,"index", ifelse(GIFT_version == "beta", "", GIFT_version),
".php?query=regions"), simplifyVector = TRUE)
tmp <- dplyr::mutate_at(
tmp, c("entity_ID", "suit_geo", "country"), as.numeric)
return(tmp)
}
}
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