[R] a loop question

Ko-Kang Kevin Wang k.wang at auckland.ac.nz
Fri Feb 27 22:53:41 CET 2004


> -----Original Message-----
> From: r-help-bounces at stat.math.ethz.ch
> [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Susan Lin
> Sent: Saturday, February 28, 2004 10:10 AM
> To: R-help at stat.math.ethz.ch
> Subject: [R] a loop question
>
> 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")
>         plot(x, y)
>         dev.off()
>
>       }
> but I only could get one image file, test.i.gif. How
> can I get three image files?

How about (I haven't tried it) something like:
  jpeg(paste("test.", i, ".gif", sep = "")

--------------------------------------------
Ko-Kang Kevin Wang, MSc(Hon)
SLC Stats Workshops Co-ordinator
The University of Auckland
New Zealand


--------------------------------------------
Ko-Kang Kevin Wang, MSc(Hon)
SLC Stats Workshops Co-ordinator
The University of Auckland
New Zealand




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