[R] boot package question: sampling on factor, not row

Prof Brian Ripley ripley at stats.ox.ac.uk
Tue Nov 11 14:55:01 CET 2003


On Tue, 11 Nov 2003, Thomas W Blackwell wrote:

> 
> > On Mon, 10 Nov 2003, Thomas W Blackwell wrote:
> >
> > > The second argument to  boot(),  called 'statistic', can be
> > > any user-written function you want to cook up, with additional
> > > arguments being passed to it through the '...' mechanism after
> > > all of the named arguments.  (See: `R-intro `Writing your own
> > > functions `The ellipsis argument  for details.)
> >
> > > I've given you the reference for the '...' mechanism, because
> > > that reference is almost impossible to find using  help.search().
> >
> On Tue, 11 Nov 2003, Prof Brian Ripley wrote:
> 
> > Right, as help.search `allows for searching the help system'. It does not
> > search the manuals, nor the FAQs, so it would be imposible to find things
> > not in the help system.
> > --
> > Brian D. Ripley,                  ripley at stats.ox.ac.uk
> > Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
> > University of Oxford,             Tel:  +44 1865 272861 (self)
> > 1 South Parks Road,                     +44 1865 272866 (PA)
> > Oxford OX1 3TG, UK                Fax:  +44 1865 272595
> >
> 
> Precisely my point, Brian.  The usage and meaning of '...' are
> almost impossible to find in the help system.  Could there be a
> help page for it ?  Questions about '...' are reasonably frequently
> asked on this list.

Not that I've noticed.

Yes, it could be done: you know how to submit contributions?  It's in the 
FAQ I believe.

> While we're at it, what could be done so that  help.search("logistic")
> returns a reference to  glm()  and  help.search("regression") returns
> references to both  lm()  and  glm() ?

Add \concepts ....

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595




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