[R] add leading zeros
Jorge I Velez
jorgeivanvelez at gmail.com
Fri Jul 27 06:53:43 CEST 2012
Check ?formatC and ?sprintf for some options.
Sent from my phone. Please excuse my brevity and misspelling.
On Jul 27, 2012, at 12:49 AM, LCOG1 <jroll at lcog.org> wrote:
> Hi all,
> Trying to use an apply to add leading zeros to a set of values in a
> given vector. I only want to add enough zeros so that the total number of
> characters is 5, so if I have an element "1" i want "00001" or "9000" I want
> "09000". I tried
> vec <- 1:1000
> sapply(vec, FUN = sprintf(paste("%0",(5-nchar(x)),"d",sep=""),x))
> but she doesnt work. I struggle with the apply family for sure. Thanks
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