[R] sprintf question

[Gabor Grothendieck]

Try this:

do.call(sprintf, c("%9.2f\t%d\t%d\t%8.3f", as.list(v[iv])))


On 5/3/06, Paul Roebuck <roebuck at mdanderson.org> wrote:
> How would one go about getting sprintf to use the
> values of a vector without having to specify each
> argument individually?
>
> > v <- c(1, 2, -1.197114, 0.1596687)
> > iv <- c(3, 1, 2, 4)
> > sprintf("%9.2f\t%d\t%d\t%8.3f", v[3], v[1], v[2], v[4])
> [1] "    -1.20\t1\t2\t   0.160"
>
> Essentially, desired effect would be something like:
> > sprintf("%9.2f\t%d\t%d\t%8.3f", v[iv]) # wish it worked
>
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