[R] Graphs in R

[Gabor Csardi]

paste(sep="", "graf", 1:250, ".jpg")

See ?paste,
G.

On Mon, Jun 30, 2008 at 11:58:51AM -0300, Leandro Marino 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
> 
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-- 
Csardi Gabor <csardi at rmki.kfki.hu>    UNIL DGM