Try:

for(i in 1:10){
    jpeg(sprintf("Rplots%02d.jpg", i))
   plot(rnorm(20))
   dev.off()
}

On Mon, Jun 30, 2008 at 11:58 AM, Leandro Marino <leandro@cesgranrio.org.br>
wrote:

> Hi list,
>
> I want to make a lot of graphics to my end course project. So, i was using
> this sintax:
>
>
> jpeg(filename = "graf01.jpg", width = 1024, height = 1024,
>     units = "px", pointsize = 25, quality = 100, bg = "grey95",
>     res = NA, restoreConsole = TRUE)
> i=1
> par(mfrow=c(4,1),col="grey90",font.lab=2)
> hist(sul[,i+2],nclass=75,xlab="Região
> Sul",ylab="Freqüência",col="antiquewhite4",main="")
>
> hist(PR[,i+2],nclass=75,xlab="Paraná",ylab="Freqüência",col="antiquewhite4",
> main="")
> hist(SC[,i+2],nclass=75,xlab="Santa
> Catarina",ylab="Freqüência",col="antiquewhite4",main="")
> hist(RS[,i+2],nclass=75,xlab="Rio Grande do
> Sul",ylab="Freqüência",col="antiquewhite4",main="")
> dev.off()
>
> But, I want to know how can I create an for to do that. Like that:
>
> for(i in 1:250){
> jpeg(filename = "graf01.jpg", width = 1024, height = 1024,
>     units = "px", pointsize = 25, quality = 100, bg = "grey95",
>     res = NA, restoreConsole = TRUE)
> par(mfrow=c(4,1),col="grey90",font.lab=2)
> hist(sul[,i+2],nclass=75,xlab="Região
> Sul",ylab="Freqüência",col="antiquewhite4",main="")
>
> hist(PR[,i+2],nclass=75,xlab="Paraná",ylab="Freqüência",col="antiquewhite4",
> main="")
> hist(SC[,i+2],nclass=75,xlab="Santa
> Catarina",ylab="Freqüência",col="antiquewhite4",main="")
> hist(RS[,i+2],nclass=75,xlab="Rio Grande do
> Sul",ylab="Freqüência",col="antiquewhite4",main="")
> dev.off()
> }
>
> The problem is the name of the file, I want to do something like grafi.jpg
> where i goes from 1 to 250.
>
> Thanks a lot for the help.
>
>
> Best Regards,
> Leandro Marino
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>



-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O

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