[R] How to change name of pdf output of function windRose in openair package

[Stefano Sofia]

Thanks to Jim and to Petr for their suggestion.
Stefano

________________________________________
Da: PIKAL Petr [petr.pikal at precheza.cz]
Inviato: giovedì 5 novembre 2015 15.02
A: Stefano Sofia
Cc: r-help at r-project.org
Oggetto: RE: [R] How to change name of pdf output of function windRose in openair package

Hi

if you need to do naming automagically you can use ls for creating object consisting from names of objects and use it for naming inside a cycle.

obj <- ls()
for (i in 1:n) {
pdf(paste(obj[i], "pdf", sep="."))
...
do the plotting
dev.off()
}

Cheers
Petr

> -----Original Message-----
> From: R-help [mailto:r-help-bounces at r-project.org] On Behalf Of Jim
> Lemon
> Sent: Thursday, November 05, 2015 12:25 PM
> To: Stefano Sofia
> Cc: r-help at r-project.org
> Subject: Re: [R] How to change name of pdf output of function windRose
> in openair package
>
> Hi Stefano,
> Just start the PDF device, do the plot, then close the PDF device:
>
> library(openair)
> ...
> data(mydata)
> pdf("windRose.pdf")
> windRose(mydata)
> dev.off()
>
> This is from the first example for the windRose function. It will
> produce a file named "windRose.pdf" in the working directory of R.
>
> Jim
>
>
>
> On Thu, Nov 5, 2015 at 8:26 PM, Stefano Sofia <
> stefano.sofia at regione.marche.it> wrote:
>
> > Dear r-list users,
> > I am using windRose within the openair package.
> > Automatically the wind rose is saved in a pdf file called Rplots.pdf
> .
> >
> > I need to apply this function to different data frames, and each time
> > I need to change automatically the name of the pdf output.
> > I am not able to do it, I read the manual quite carefully but I
> didn't
> > find any hint about it.
> >
> > Would somebody be able to help me?
> > Thank you for your attention
> > Stefano
> >
> >
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