[R] Leading plus in numeric fields

[PIKAL Petr]

Hi

> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at 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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