source: https://github.com/wush978/Rtwmap
Plot Data
library(Rtwmap)
## Loading required package: sp
data(village2010)
plot(village2010)
data(county1984)
plot(county1984)
data(county2010)
plot(county2010)
data(town1984)
plot(town1984)
data(town2010)
plot(town2010)
Coloring
隨機顏色
data(county1984)
random.color <- as.factor(sample(1:3, length(county1984), TRUE))
color <- rainbow(3)
county1984$random.color <- random.color
spplot(county1984, "random.color", col.regions = color, main = "Taiwan Random Color")
population <- read.csv("population.csv", sep = "\t", header = FALSE)
data(county2010)
rownames(population) <- as.character(population$V2)
population <- population[as.character(county2010$county), "V4"]
col <- heat.colors(max(population))[max(population):1]
county2010$population <- population
spplot(county2010, "population", col.regions = col, main = "Population of Taiwan")