Ximing: Hope you don't mind me cc'ing R-help.
> From: ximing wu
>
> I am looking for something that can fit
> f(x,y)=g(z_1, z_2, z_3,...).
>
> It seems that the packages you mentioned work for:
> z=f(x,y).
>
> Correct me if I am wrong. Thanks anyway for your help.
You're right. My mistake. I don't know of packages (or even methods)
that
fits the joint distribution. However, if you're willing to settle for
regression, the polymars() function in the package `polspline' claims to do
this. mars() in the `mda' package will also accept matrix response, but I
don't know if it just treat the multiple responses as separate univariate
responses.
Cheers,
Andy
> At 06:22 AM 7/21/2004 -0400, you wrote:
> >There may very well be others, but these packages ought to
> get you started:
> >locfit, sm, and if I'm not mistaken, mgcv (which is shipped with
R).
> >
> >Andy
> >
> > > From: ximing wu
> > >
> > > Hi there,
> > > Does R has built-in codes for nonpara. bivariate regression
> > > so that I can
> > > estimate the joint distribution of two variables as a
> > > function of some
> > > covariates? Thanks a lot.
> > >
> > >
> > > ---------------------------------------------------
> > > Ximing Wu
> > > Department of Economics
> > > University of Guelph
> > > Guelph, Ontario, Canada, N1G 2W1
> > >
> > > Tel: (519) 842-4120, ext 53014
> > > Fax: (519) 763-8497
> > > email: xiwu at uoguelph.ca
> > > Webpage: http://www.uoguelph.ca/~xiwu/
> > >
> > > ______________________________________________
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> >
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> ---------------------------------------------------
> Ximing Wu
> Department of Economics
> University of Guelph
> Guelph, Ontario, Canada, N1G 2W1
>
> Tel: (519) 842-4120, ext 53014
> Fax: (519) 763-8497
> email: xiwu at uoguelph.ca
> Webpage: http://www.uoguelph.ca/~xiwu/
> ----------------------------------------------------
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