[R] error while creating a simple graph

Yogesh Gupta yogesh2cute at gmail.com
Tue Jun 20 07:18:24 CEST 2017

Dear All,

I am learning R so it's a very simple problem but I do not understand while
I am not able to generate a graph from two vectors.

when I type this code, it generates a very nice graph.

> attach(mtcars)
> plot(wt,mpg)
> abline(lm(mpg~wt))
> title("Regreesion of mpg")
> detach(mtcars)
> dev.off()

But I am trying to create a graph from this code, it generates a pdf with

> dev.new()
> pdf("test.pdf")
> x <- c(1,3,6,9,12)
> y <- c(1.5,2,7,8,15)
> plot(x,y)


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