R語言畫圖

線型圖
sessionA <- c(1,2,3,4,5,6)
sessionB <- c(12,23,25,26,16,10)
plot(sessionA,sessionB,type="b")
餅圖
 pie(sessionA)


美國地圖

#install.packages("ggplot2") #install.packages("maps")  library(ggplot2) library(maps) # 為了獲取資料 ## ## 
 # ATTENTION: maps v3.0 has an updated 'world' map.     
   # ##  # Many country borders and names have changed since 1990. # ##  # Type '?world' or 'news(package="maps")'. See README_v3. # # 美國地圖資料 states_map <- map_data("state") head(states_map)   # geom_polygon()  ggplot(states_map, aes(x=long,y=lat,group=group)) + geom_polygon(fill="white",colour="black") + labs(title = "USA Map")