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

[Benilton Carvalho]

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