weight <- c(50,55,63,55,67,43,52)

high <- c(150,160,170,175,150,153,165)

plot(weight,high,
     pch=8,
     col="purple",
     xlab="體重",
     ylab="身高",
     main="班級的身高體重")

library("ggplot2")
data <- data.frame(
  name=c("A","B","C","D","E","F") ,  
  value=c(50,55,63,55,67,43)
  )
ggplot(data, aes(x=name, y=value)) + 
  geom_bar(stat = "identity")

we <- c(55,60,70,75,75)

we2 <- c(155,160,170,175,175)
hist(we,
     col= "lightpink",
     main ="班上的體重與身高",
     xlab ="體重",
     ylab ="次數")

data<- c(45,23,35,52)
labels <- c("英文系","法文系","德文","翻譯")

pie(data,labels,main ="學生的比例", col=heat.colors(length(data)))