I know how you feel,
I came a cross the same problem once, which took sometime to find a solution
for.
What you need to do is put the hist into a variable and then plot it, for
example:
library(lattice)
for(i in 8:153){
hist.to.plot <- histogram(~ data[,i] | data[,2],
data=data,,ylab="Frequency",xlim=c(1,5),xlab="Score",ylim=c(0,100)),main=paste(colnames(data)[i],sep="")
plot(hist.to.plot)
}
Cheers,
Tal
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On Tue, Nov 17, 2009 at 7:09 AM, ychu066 <ychu...@aucklanduni.ac.nz> wrote:
>
> tried but still doesnt work ...
>
> very weird ...
>
> ychu066 wrote:
> >
> > here is the codes that i tried.....
> >
> >> png(paste("hist",i,".png",sep="")
> > + library(lattice)
> > Error: unexpected symbol in:
> > "png(paste("hist",i,".png",sep="")
> > library"
> >> for(i in 8:153){
> > + histogram(~ data[,i] | data[,2],
> > data=data,ylab="Frequency",xlim=c(1,5),xlab="Score",ylim=c(0,100)))
> > Error: unexpected ')' in:
> > "for(i in 8:153){
> > histogram(~ data[,i] | data[,2],
> > data=data,ylab="Frequency",xlim=c(1,5),xlab="Score",ylim=c(0,100)))"
> >> }
> > Error: unexpected '}' in "}"
> >> dev.off()
> > Error in dev.off() : cannot shut down device 1 (the null device)
> >
> >
> > ychu066 wrote:
> >>
> >> still doesnt work ...
> >>
> >>
> >> Karl Ove Hufthammer wrote:
> >>>
> >>> On Thu, 12 Nov 2009 19:10:52 -0800 (PST) ychu066 <ychu066
> >>> @aucklanduni.ac.nz> wrote:
> >>>> And I also want to save each histogram in each separate pdf file using
> >>>> the
> >>>> following codes ?.
> >>>> png("hist.png[i]")
> >>>> dev.off()
> >>>
> >>> Try png(paste("hist",i,".png",sep="") instead.
> >>>
> >>> --
> >>> Karl Ove Hufthammer
> >>>
> >>> ______________________________________________
> >>> 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.
> >>>
> >>>
> >>
> >>
> >
> >
>
> --
> View this message in context:
> http://old.nabble.com/Plotting-Histogram-using-histogram%28%29-and-for-loop-and-I-want-to-save-the-histogram-individually-...-HELP-tp26328734p26384489.html
> Sent from the R help mailing list archive at Nabble.com.
>
> ______________________________________________
> 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.
>
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