Hi
> -----Original Message-----
> From: r-help-boun...@r-project.org [mailto:r-help-bounces@r-
> project.org] On Behalf Of Luca Meyer
> Sent: Thursday, August 30, 2012 7:55 AM
> To: R help
> Subject: [R] Leading plus in numeric fields
>
> Hello R experts,
>
> I have go this data frame:
>
> 'data.frame': 1 obs. of 20 variables:
> $ Anno : chr "PREVISIONI VS TARGET"
> $ OreTot: num 41
> $ GioTot: logi NA
> $ OrGTot: logi NA
> $ OreCli: num 99
> $ GioCli: logi NA
> $ OrGCli: logi NA
> $ OreFor: num -27
> $ GioFor: logi NA
> $ OrGFor: logi NA
> $ OreOrt: num -18
> $ GioOrt: logi NA
> $ OrGOrt: logi NA
> $ OreSpo: num -6
> $ GioSpo: logi NA
> $ OrGSpo: logi NA
> $ OreUff: num -7
> $ GioUff: logi NA
> $ OrGUff: logi NA
> $ temp : num 0
>
> Is there any way I can format the numeric fields so that I get a
> leading "+" whenever the value is > 0? In the specific case I would
> need something like:
Why? What do you want to do with it?
If you want format numbers/strings you can use sprintf
x<-rnorm(5)
sprintf("%+f",x)
but resulting values are eventually not numbers
Regards
Petr
>
> 'data.frame': 1 obs. of 20 variables:
> $ Anno : chr "PREVISIONI VS TARGET"
> $ OreTot: num +41
> $ GioTot: logi NA
> $ OrGTot: logi NA
> $ OreCli: num +99
> $ GioCli: logi NA
> $ OrGCli: logi NA
> $ OreFor: num -27
> $ GioFor: logi NA
> $ OrGFor: logi NA
> $ OreOrt: num -18
> $ GioOrt: logi NA
> $ OrGOrt: logi NA
> $ OreSpo: num -6
> $ GioSpo: logi NA
> $ OrGSpo: logi NA
> $ OreUff: num -7
> $ GioUff: logi NA
> $ OrGUff: logi NA
> $ temp : num 0
>
> Thank you in advance,
>
> Luca
>
> Mr. Luca Meyer
> www.lucameyer.com
> R version 2.15.1
> Mac OS X 10.8
>
>
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