1 min read

Rtwmap

source: https://github.com/wush978/Rtwmap

Plot Data

library(Rtwmap)
## Loading required package: sp
data(village2010)
plot(village2010)

plot of chunk village2010

data(county1984)
plot(county1984)

plot of chunk county1984

data(county2010)
plot(county2010)

plot of chunk county2010

data(town1984)
plot(town1984)

plot of chunk town1984

data(town2010)
plot(town2010)

plot of chunk 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")

plot of chunk county1984-color

人口

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")

plot of chunk population