Sergio Della Franca wrote:
> Dear R-Helpers,
>
> I'd like to perform a Logistic Regression whit a Stepwise method.
>
>
> Can you tell me how can i proceed to develop this procedure?
>
>
> Thank you in advance.
>
>
> Sergio Della Franca.
If the number of events is not incredibly large, you can get almost the
same result with the following code :-)
candidates <- setdiff(names(mydataframe), 'y')
p <- length(candidates)
sample(candidates, sample(round(p/4):round(p/2), 1))
--
Frank E Harrell Jr Professor and Chair School of Medicine
Department of Biostatistics Vanderbilt University
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