Re: [R] saving rounded numbers as a new variable in a dataframe

From: Petr Pikal <petr.pikal_at_precheza.cz>
Date: Mon 19 Jun 2006 - 22:49:57 EST

Hi

On 19 Jun 2006 at 8:20, Neuro LeSuperHéros wrote:

From:           	Neuro LeSuperHéros <neuro3000@hotmail.com>
To:             	bgreen@dyson.brisnet.org.au, r-help@stat.math.ethz.ch
Date sent:      	Mon, 19 Jun 2006 08:20:16 -0400
Subject:        	Re: [R] saving rounded numbers as a new variable in a dataframe

> Hi
>
> 1-Please read this: R Data Import/Export
> cran.r-project.org/doc/manuals/R-data.pdf
> 2-This is the code:
>
> rounded <-round(numurder, 0)
> write.csv(rounded,"c:/ngri.csv")

this will erase former ngri.csv and write a new ngri.csv containing only rounded variable!!!

Let ngri is data frame from which you have murder and other variables

then

write.csv(data.frame(nmurder=rounded, ngri),"c:/ngri.csv")

shall be better choice.

HTH
Petr

>
> Neuro
>
>
> >From: Bob Green <bgreen@dyson.brisnet.org.au>
> >To: r-help@stat.math.ethz.ch
> >Subject: [R] saving rounded numbers as a new variable in a dataframe
> >Date: Mon, 19 Jun 2006 22:11:57 +1000
> >
> >
> >
> >A basic question, but one that eludes me. I have created a new
> >variable $numurder, which I have rounded off. I want to save the
> >rounded off version of this variable to an existing datafile called
> >'ngri.csv' .
> >
> > numurder <-c((murder*no.of.cases)/100)
> >[[1]]
> > [1] 48.952 112.073 182.160 974.610 122.140 663.432 150.856
> > 18.988
> >137.925 198.045 68.930 203.148 30.056 100.955
> >
> >
> >round(numurder, 0)
> > [1] 49 112 182 975 122 663 151 19 138 198 69 203 30 101
> >
> >
> >Advice regarding how to do this is appreciated,
> >
> >Bob
> >
> >______________________________________________
> >R-help@stat.math.ethz.ch mailing list
> >https://stat.ethz.ch/mailman/listinfo/r-help
> >PLEASE do read the posting guide!
> >http://www.R-project.org/posting-guide.html
>
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Petr Pikal
petr.pikal@precheza.cz



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https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Mon Jun 19 22:54:35 2006

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