Create Tile-Grid Geographical Maps

The 'tabularmap' is one of the visualization methods for efficiently displaying data consisting of multiple elements by tiling them. When dealing with geospatial, it corrects for differences in visibility between areas.

tabularmaps

tabularmapsは、CC0で公開されているカラム地図プロジェクトが進める行政区分等のグリッドレイアウトによる可視化をRパッケージとして提供するものです。

インストール

インストールはGitHubを経由して行います。まずremotesパッケージをCRANからインストールした後、remotes::install_github()で行ってください。

install.packages("remotes")
remotes::install_github("uribo/tabularmaps")

使い方

library(tabularmaps)
library(ggplot2)

日本国内

47都道府県

tabularmap(jpn77, 
           x,
           y,
           group = prefecture,
           fill = region_kanji, 
           label = prefecture_kanji, 
           size = 3,
           family = "IPAexGothic") +
  theme_tabularmap(base_family = "IPAexGothic") +
  scale_fill_jpregion(lang = "jp",
                      name = "八地方区分")

東京23区

tabularmap(tky23,
           x,
           y,
           group = ward,
           fill = ward,
           label = ward_kanji,
           family = "IPAexGothic",
           .expand_size = 12.5) +
  theme_tabularmap(base_family = "IPAexGothic") +
  guides(fill = FALSE)

国際

ISO-3166による国名

tabularmap(iso3166, 
           x,
           y,
           group = iso3c,
           fill = continent, 
           label = iso3c, 
           size = 2,
           .expand_size = 20, 
           .radius_size = 10) +
  theme_tabularmap() +
  guides(fill = guide_legend(title = "Continent")) +
  theme(legend.title = element_text(size = 10),
        legend.text = element_text(size = 8))

Related works

• geofacet
• ggpol
• statebins
• waffle