Re: st: factor variables and qreg?

["Roger B. Newson" <r.newson@imperial.ac.uk>]

Thanks to Bill for this information. Would I be right in guessing that 
StataCorp are also working on clustered variances for -qreg-?

Best wishes

Roger


Roger B Newson BSc MSc DPhil
Lecturer in Medical Statistics
Respiratory Epidemiology and Public Health Group
National Heart and Lung Institute
Imperial College London
Royal Brompton Campus
Room 33, Emmanuel Kaye Building
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Opinions expressed are those of the author, not of the institution.

On 24/08/2012 19:01, William Gould, StataCorp LP wrote:
> Ariel Linden <ariel.linden@gmail.com> wrote,
>
> > I wonder if any StataCorp people on the list could respond to this
> > query [why qreg does not allow factor variables] with a definitive
> > answer?
>
> We at StataCOrp are working on making -qreg- with factor variables.
> Maarten Buis <maartenlbuis@gmail.com> speculated
>
> > -qreg- seems to have its own build-in maximization algorithm, which
> > does not surprise me as it is a maximization problem with its own
> > peculiar set of difficulties. So it is a lot more work to implement
> > it.
>
> Maartin is correct.  We're working on it now, however, and have been
> working on it since before this thread arose.
>
> -- Bill
> wgould@stata.com
>
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