See
http://ideas.repec.org/p/boc/dsug04/6.html
Nick
[email protected]
jean ries
>
> >From: Tinna <[email protected]>
> >Is it possible to use control variables in a locally smoothed
> >(nonparametric) regression?
> You could use "partial linear models" (Yatchew 1997). I don't know if
> there is some Stata code out there that implements these
> methods. On the
> other hand, these methods are not very difficult to implement
> either.
> If you are curious and want to see some applications, or if
> you want to
> learn about extensions, you can as well have a look at a
> survey article
> (Yatchew 1998) and/or a textbook (Yatchew 2003) by the same author.
>
> Yatchew, A., 1997, An Elementary Estimator of the Partial
> Linear Model,
> Economics Letters, 57, 135-43
> Yatchew, A., 1998, Nonparametric Regression Techniques in Economics,
> Journal of Economic Literature, 36, 669-721.
> Yatchew, A., 2003, Semiparametric Regression for the Applied
> Econometrician, Cambridge University Press.
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