Try this:
formatC(c(1, 11, 111, 1111), flag = "0", width = 9)
Or:
sprintf("%09d", c(1, 11, 111))
On Wed, Jan 5, 2011 at 1:50 PM, jose Bartolomei <surfpr...@hotmail.com>wrote:
>
>
>
> Dear R users,
>
>
> The best in this new year 2011.
>
>
> I am dealing with a character vector (xx) whose nchar are not the same.
>
>
> Ex.
> nchar(xx)
> [1] 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
> 1
> [38] 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 3 3 3 3 4 4 4 4 4 4
> 4 4
> [75] 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 ....... 9
>
>
> I need xx to be nchar = 9
>
>
> My best guest was to paste 0's. Then I need substring (xx, 6, 9).
>
>
> I came with:
>
>
> xx[1:61]<-paste("00000000", xx[1:61], sep="")
>
>
> xx[62:66]<-paste("000000", xx[62:66], sep="")
>
>
> xx[67:100]<-paste("00000", xx[67:100], sep="")
>
>
> ......
>
> > nchar(xx)
> [1] 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9
> 9
> [38] 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9
> 9 9
> [75] 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 .... 9
>
>
> xx<-substring(xx, 6, 9)
>
>
>
>
> This is a solution for one data set would be sufficient but not if I will
> continuously deal with this same issue.
>
>
> Furthermore, I am trying to automate the process but I have not be able to
> came with adequate solution.
>
>
> I was thinking to create a character vector of 0's 9-nchar(xx).
> Then paste it to xx.
> 9-nchar(xx)
> [1] 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8
> 8
> [38] 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 6 6 6 6 6 5 5 5 5 5 5
> 5 5
> [75] 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 ......1
>
>
>
>
> Nevertheless, I have not been able to create this vector nor I do not know
> if this is the best option.
>
>
> Another way I thought was to create an if statement, but this will be long
> and not efficient (I think).
>
>
>
> Any suggestion, will be appreciated.
>
>
> Jose
>
>
>
>
> [[alternative HTML version deleted]]
>
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
>
--
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O
[[alternative HTML version deleted]]
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and provide commented, minimal, self-contained, reproducible code.
