Re: [R] help with executing instruction every i-th run of loop

From: Duncan Murdoch <murdoch_at_stats.uwo.ca>
Date: Thu, 17 May 2007 10:59:44 -0400

On 5/17/2007 10:56 AM, Mark W Kimpel wrote:
> I am running a very long loop and would like to save intermediate
> results in case of a system or program crash. Here is the skeleton of
> what my code would be:
>
> for (i in 1:zillion)
> {
> results[[i]]<-do.something.function()
> if (logical.test(i)) {save(results, "results.tmp")}
> }
>
> logical.test would test to see if i/1000 has no remainder. What R
> function would test that?

(i %% 1000) == 0

Duncan Murdoch



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