[R] add zero in front of numbers

[January Weiner]

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]]
>
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-- 
-------- Dr. January Weiner 3 --------------------------------------
Max Planck Institute for Infection Biology
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