we <- c(68,85,74,88,63,78,90,80,58,63)
we2 <- c(85,91,74,100,82,84,78,100,51,70)
plot(we,we2,
pch = 17,
col= "skyblue",
main ="學生成績",
xlab ="統計成績",
ylab ="數學成績")

hist(we,
col= "lightyellow",
main ="學生成績",
xlab ="統計成績",
ylab ="數學成績")

# Load ggplot2
library(ggplot2)
# Create data
data <- data.frame(
name=c("娛樂休閒","知識","體育","科學","公益") ,
value=c(185,82,36,28,25) )
# Barplot
ggplot(data, aes(x=name, y=value)) +
geom_bar(stat = "identity", width=0.2, fill="skyblue")

data<- c(185,82,36,28,25)
labels <- c("娛樂休閒","知識","體育","科學","公益")
pie(data,labels,main ="學生的比例", col=heat.colors(length(data)))
