[R] Regression / Optimisation under constraints

Martin Maechler maechler at stat.math.ethz.ch
Fri Jun 22 16:34:01 CEST 2001

>>>>> "WARR" == WARR Benjamin <benjamin.warr at insead.fr> writes:

    WARR> other than optim() and quadprog() does anyone have any experience
    WARR> or know of any code that can perform non-linear LS under several
    WARR> constraints on the parameters, I am thinking of an equivalent of
    WARR> nlregb() in S plus ?

I think optim() with the proper method is ``functionally'' equivalent to
nlminb.  Did you carefully look at its documentation?

	 (and could you (everyone concerned!!) re-configure your e-mail
 	 software such as  NOT send messages both as plain text and html?)

Martin Maechler <maechler at stat.math.ethz.ch>	http://stat.ethz.ch/~maechler/
Seminar fuer Statistik, ETH-Zentrum  LEO D10	Leonhardstr. 27
ETH (Federal Inst. Technology)	8092 Zurich	SWITZERLAND
phone: x-41-1-632-3408		fax: ...-1228			<><
r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !)  To: r-help-request at stat.math.ethz.ch

More information about the R-help mailing list