I have the following problem: I would like to do a
nonparametric quatile regression. Thus far I have used
the quantreg package and done a local quadratic, but
it does not seem to work well.
Alternatively, I have tried with an older S version I
have the function rreg, and used
rreg(datax,datay,method=function(u)
{(abs(u)+(2*alpha-1)*u)},iter=100)
which gave me pretty acceptable results. What I would
like to do now is to have a similar command in R, but
with the functions
rlm and lqs
I do not seem to be able to get somewhere. Can anybody
help?
I found in the archive under
Message-ID:
<[EMAIL PROTECTED]>
a reply from Brian Ripley on a similar question, but
was not able to download the experimental file from
his website...
Thanks
Stefan
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