Untitled

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

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

plot(weight,high,
     pch=15,
     col="orange",
     xlab="體重",
     ylab="身高",
     main="班級的身高體重")

# Load ggplot2
library(ggplot2)

# Create data
data <- data.frame(
  name=c("A","B","C","D","E") ,  
  value=c(3,12,5,18,45)
  )

# Barplot
ggplot(data, aes(x=name, y=value)) + 
  geom_bar(stat = "identity")