[R] a loop question

[Achim Zeileis]

On Fri, 27 Feb 2004 13:09:40 -0800 (PST) Susan Lin wrote:

> I want to get three .gif image files test.1.gif,
> test.2.gif, & test.3.gif by using a loop. The code I
> tried  is like this:
>       x=c(0, 1, 2, 3, 4)
>       y=c(1, 2, 3, 4)
>       for(i in 1:3)
>       {
>         x11()
>         jpeg("test.i.gif")

This should be

jpeg(paste("test.", i, ".gif", sep = ""))

also look at help(paste).

hth,
Z

>         plot(x, y)
>         dev.off()
> 
>       } 
> but I only could get one image file, test.i.gif. How
> can I get three image files?
> 
> Thanks.
> 
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