geom_sf_taiwan: Generate Taiwan choropleth map to city or township level...

In tpemartin/econDV2:

Generate Taiwan choropleth map to city or township level without any map supplied

Description

Generate Taiwan choropleth map to city or township level without any map supplied

Usage

geom_sf_taiwan(
  data,
  map_id,
  ...,
  type = c("縣市", "鄉鎮區"),
  cast2multipolygon = T,
  merge_type = "joint",
  need_background = T,
  background.fill = "#c8c5be",
  background.color = "#c8c5be",
  background.size = 0
)

Arguments

data	A data frame with map_id to merge with underlying implicit Taiwan map sf object
map_id	A character showing the name of the map_id in data input. The data[[map_id]] will be used to join with sf_taiwan_simplied$台灣本島$xxx's map_id column where xxx is determined by type input value.
...	other parameters passed to geom_sf
type	either "縣市" or "鄉鎮區"
merge_type	default="joint". "join" means sf inner_join data, "map" means sf left_join data, "data" means sf right_join data
need_background	default is TRUE. If FALSE, just return the choropleth layer.
background.fill	the fille of background Taiwan map
background.color	the color of background Taiwan map
background.size	the size of boundary of background map

Examples

ggplot() +
  geom_sf_taiwan(
    data=gg_drug$data,
    map_id="發生地點",
    mapping=aes(fill=案件次數),
    type="鄉鎮區"
  )

tpemartin/econDV2 documentation built on Aug. 6, 2023, 11:46 p.m.