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

[Roger Koenker]

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
>
>
>
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