Re: [R] bootstrap vs. resampleing

From: Roger D. Peng <rpeng_at_jhsph.edu>
Date: Thu 07 Apr 2005 - 04:18:07 EST

What you're describing sounds like subsampling, about which John Hartigan has written a few papers.

-roger

array chip wrote:
> Hi,
>
> I understand bootstrap can be used to estimate 95%
> confidence interval for some statistics, e.g.
> variance, median, etc. I have someone suggesting that
> by resampling certain proportion of the total samples
> (e.g. 80%) without replacement, we can also get the
> estimate of confidence intervals. Here we have an
> example of 1000 obsevations, we would like to estimate
> 95% confidence intervals for odds ratio for a
> diagnostic test, can I use resampling 80% of the
> observations without replacement, instead of
> bootstrap, to do this? If not, why is it wrong to do
> it this way?
>
> Thanks
>
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R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Thu Apr 07 04:22:56 2005

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