[R] print value of variable to screen or alert box?

[Gabor Grothendieck]

See ?cat, e.g.

> v <- seq(10, 50, 10)
> for(i in seq_along(v)) cat("v[", i, "] =", v[i], "\n")
v[ 1 ] = 10
v[ 2 ] = 20
v[ 3 ] = 30
v[ 4 ] = 40
v[ 5 ] = 50

On Sat, May 2, 2009 at 7:59 AM, onyourmark <william108 at gmail.com> wrote:
>
> I am trying to debug a loop. Is there a way to print the value of a variable
> that is inside a loop? I have a vector v and inside a loop I have v[i] where
> i is the index of the loop. Is there a way to see v[i] per loop so that I
> can see what is going on?
> Thanks
> --
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