1 Pakete laden
library(tidyverse) # data wrangling
library(maps)Ggplot-Theme anpassen:
theme_set(
theme_void()
)2 Welktarte zeichnen
world <- map_data("world")ggplot(world) +
aes(x = long, y = lat, group = group) %>%
geom_polygon(color = "white", fill = "lightgray") 
3 Deutschlandkarte zeichnen
Deutschland aus der Liste der Länder auswählen:
de <- map_data("world", region = "Germany")ggplot(de,
aes(x= long, y= lat)) +
geom_polygon(aes(group = group),
fill = "lightgray", color = "white") +
geom_polygon(aes(group = group),
color = "black", fill = NA)
4 Mehr
Mehr Hinweise zu Karten, insbesondere Choroplethenkarten, findet sich z.B. hier, Kap. 14.
5 Reproducibility
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