Untitled

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

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


mean(weight)

## [1] 55

# Load ggplot2
library(ggplot2)
# Load ggplot2
library(ggplot2)

# Create data
data <- data.frame(
  name=c("王曉明","B","C","D","E","F") ,  
  value=c(50,55,63,55,67,43)
  )

# Barplot
ggplot(data, aes(x=name, y=value)) + 
  geom_bar(stat = "identity", width=0.2,  fill="skyblue") 

plot(weight,
     pch = 17,
     col= "skyblue",
     main ="班上的體重與身高",
     xlab ="體重",
     ylab ="身高")

hist(weight,
     col= "lightyellow",
     main ="班上的體重與身高",
     xlab ="體重",
     ylab ="次數")

weight<- c(50,23,35,48)
labels <- c("英文系","法文系","德文","翻譯")

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