[R] looping multipanel plots to different figures

[Jim Lemon]

Hi efisio,
I read this as wanting to start a new graphics device, then set some plot
parameters, display two plots and then close the graphics device at each
iteration of the loop. If so,

plot_filenames<-c("plot1.png","plot2.png","plot3.png")
for(plotfn in plot_filenames) {
 png(plotfn)
 par(mfrow=c(1,2))
 hist(sample(1:5,30,TRUE))
 hist(sample(1:5,30,TRUE))
 dev.off()
}

Jim



On Thu, Feb 19, 2015 at 7:25 PM, efisio solazzo <
efisio.solazzo at jrc.ec.europa.eu> wrote:

> Dear,
> cannot find  a way to direct multipanel plots to different figures (files)
> while within a loop.
>
> Say, the loop creates two plots each step: one plot should go to figure 1
> and the other to  figure 2.
> Same for the next steps of the loop: the plots should go to figure 1 and
> figure 2 in a multipanel fashion.
>
> I am not sure at which point to open the files and set the multipanel
> parameters...all I can get is two files with all plots overlaid to the same
> position.
>
> Thanks
>
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