美食知识|箱线图怎么画,minitab箱线图多个y怎么做( 四 )


x3 = c(7,11,6,6,7,9,5,5,10,6,3,10)
y = c(x1,x2,x3)
f = factor(c(rep(1,11),rep(2,10),rep(3,12)))
plot(f,y)

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