Re: [R] add zero in front of numbers

From: January Weiner <january.weiner_at_mpiib-berlin.mpg.de>
Date: Mon, 04 Apr 2011 12:55:13 +0200

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
Charitéplatz 1
D-10117 Berlin, Germany
Web   : www.mpiib-berlin.mpg.de
Tel     : +49-30-28460514

______________________________________________
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.
Received on Mon 04 Apr 2011 - 11:23:57 GMT

Archive maintained by Robert King, hosted by the discipline of statistics at the University of Newcastle, Australia.
Archive generated by hypermail 2.2.0, at Mon 04 Apr 2011 - 12:20:27 GMT.

Mailing list information is available at https://stat.ethz.ch/mailman/listinfo/r-help. Please read the posting guide before posting to the list.

list of date sections of archive