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

From: Benilton Carvalho <bcarvalh_at_jhsph.edu>
Date: Thu, 17 May 2007 10:56:43 -0400

if (i %% 1000 == 0)

b

On May 17, 2007, at 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?
>
> Is there an even better way to address my need?
>
> Thanks,
> Mark
> --
>
> ---
>
> Mark W. Kimpel MD ** Neuroinformatics ** Dept. of Psychiatry
> Indiana University School of Medicine
>
> 15032 Hunter Court, Westfield, IN 46074
>
> (317) 490-5129 Work, & Mobile & VoiceMail
> (317) 663-0513 Home (no voice mail please)
>
> ______________________________________________
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> guide.html
> and provide commented, minimal, self-contained, reproducible code.

--
Benilton Carvalho
PhD Candidate
Department of Biostatistics
Bloomberg School of Public Health
Johns Hopkins University
bcarvalh_at_jhsph.edu

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Received on Thu 17 May 2007 - 15:07:15 GMT

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