[R] How to keep a coefficient fixed when using rq {quantreg}?

[Roger Koenker]

oops.... *bk  not - bk.


Roger Koenker
rkoenker at illinois.edu




On Oct 14, 2011, at 8:40 PM, Roger Koenker wrote:

> Ah yes offsets, I've meant to look into this, but never quite  
> understood
> why something like:
>
> 	rq((y - xk - bk) ~ x1 + x2)
>
> wasn't just as convenient....
>
>
> Roger Koenker
> rkoenker at illinois.edu
>
>
>
>
> On Oct 14, 2011, at 6:55 PM, Tal Galili wrote:
>
>> Hello all,
>>
>> I would like to compute a quantile regression using rq (from the
>> quantreg package), while keeping one of the coefficients fixed.
>> Is it possible to set an offset for rq in quantreg?  (I wasn't able  
>> to
>> make it to work)
>>
>> Thanks,
>> Tal
>>
>>
>>
>> ----------------Contact
>> Details:-------------------------------------------------------
>> Contact me: Tal.Galili at gmail.com |  972-52-7275845
>> Read me: www.talgalili.com (Hebrew) | www.biostatistics.co.il  
>> (Hebrew)
>> | www.r-statistics.com (English)
>>
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>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.