[R] add zero in front of numbers

[Uwe Ligges]

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
>
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>
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