Hi Dan,
Thanks for response yes i do know that bootstrap samples generated by
function boot are of the same size as original dataset but somewhere in the
R-help threads i saw a suggestion that one can control sample size (n) by
using the following command(plz see below) but my problem is it doesnt work
it gives error ( error in : n * nboot : non-numeric argument to binary
operator)
bootstrap(data,statistic,sampler=samp.bootstrap(size=20))
this is what somebody on R help suggested... can we fix that error somehow
?
On Wed, 26 Mar 2008 08:26:22 -0700 "Nordlund, Dan (DSHS/RDA)" wrote:
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED] On Behalf Of Zaihra T
> > Sent: Wednesday, March 26, 2008 7:57 AM
> > To: Jan T. Kim; R-help@r-project.org
> > Subject: ! [R] sample size in bootstrap(boot)
> >
> >
> > Hi,
> >
> > Can someone tell me how to control sample size (n) in
> > bootstrap function
> > boot in R. Can we give some option like we give for #
> > of repeated
> > samples(R=say 100).
> >
> > Will appreciate any help.
> >
> > thanks
>
> I don't believe so. Isn't one of the differences between the bootstrap and
other kinds of
> resampling that the bootstrap samples with replacement a sample of the
same size as the
> original data? You could use the function sample() to select your subsets
and compute your
> statistics of interest.
>
> Hope this is helpful,
>
> Dan
>
> Daniel J. Nordlund
> Research and Data Analysis
> Washington State Department of Social and! Health Services
> Olympia, WA 98504-5204
>
&g t;
>
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