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add zero in front of numbers
4 messages · Yan Jiao, Luis Ridao, January Weiner +1 more
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Dear Yan, apart from formatC, you can also use sprintf, which works almost exactly like the C sprintf function. To convert an integer x to a string with 5 leading 0s, you do: sprintf( "%05d", x ) Best regards, j.
On Mon, Apr 4, 2011 at 12:35 PM, Yan Jiao <y.jiao at ucl.ac.uk> wrote:
Dear R users, I need to add 0 in front of a series of numbers, e.g. 1->001, 19->019, Is there a fast way of doing that? Many thanks yan ? ? ? ?[[alternative HTML version deleted]]
______________________________________________ R-help at 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.
-------- Dr. January Weiner 3 -------------------------------------- Max Planck Institute for Infection Biology Charit?platz 1 D-10117 Berlin, Germany Web?? : www.mpiib-berlin.mpg.de Tel? ?? : +49-30-28460514
On 04.04.2011 12:35, Yan Jiao wrote:
Dear R users, I need to add 0 in front of a series of numbers, e.g. 1->001, 19->019, Is there a fast way of doing that?
formatC(c(1, 19), flag=0, width=3) Uwe Ligges
Many thanks yan [[alternative HTML version deleted]]
______________________________________________ R-help at 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.