[R] Specifying plot file name in the rscript

Mahmood Naderan-Tahan m@hmood@n@der@n @end|ng |rom ugent@be
Tue Mar 9 15:58:21 CET 2021

Right. Thank you very much.


From: Ben Tupper <btupper using bigelow.org>
Sent: Tuesday, March 9, 2021 2:58:17 PM
To: Mahmood Naderan-Tahan
Cc: r-help using r-project.org
Subject: Re: [R] Specifying plot file name in the rscript


When you call plot() it will draw to the default device - in your case
the pdf() device. When the default device results in a file, R selects
a filename for you unless you tell it otherwise.  You can specify the
filename by explicitly calling pdf() first.

plot(res.pca, choix="var", axes=c(1,2))

plot(res.pca, choix="ind", axes=c(1,2))

See ?device for a listing of available devices.


On Tue, Mar 9, 2021 at 7:11 AM Mahmood Naderan-Tahan
<mahmood.naderan using ugent.be> wrote:
> Hi
> I use the following R script to plot two graphs.
> library(FactoMineR)
> mydata <- read.csv('test.csv', header=T,row.names=1)
> res.pca = PCA(mydata, quali.sup=5, graph=F)
> plot(res.pca, choix="var", axes=c(1,2))
> dev.new()
> plot(res.pca, choix="ind", axes=c(1,2))
> After running "Rscript my.r", I see two pdf files Rplots.pdf and Rplots1.pdf.
> I would like to specify file names in the script as well. How can I do that?
> Regards,
> Mahmood
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Ben Tupper
Bigelow Laboratory for Ocean Science
East Boothbay, Maine

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