[R] fac.design

[Martin Maechler]

>>>>> "SteveH" == Steven Higgins <higgins at oesa.ufz.de> writes:

    SteveH> Dear all, I am trying to find a R version of the S+
    SteveH> routine fac.design. In the help of the package
    SteveH> conf.design fac.design is listed under "see
    SteveH> also". Any clues as to where (which package) I can
    SteveH> find fac.design?

Status:  fac.design() {and "friends"} for constructing
	 (anova) designs has been part of "New S" and is described in
	 chapter 5 of `The White Book' (Chambers & Hastie, 1992).

This S/S-plus code is copyright and we are not supposed to
"steal" the S-plus code and just port it to R.
I've started recently to write  plot.design() from scratch
{using the white book as API definition}, since for us,
plot.design() is much more importantly missing than fac.design.
Unfortunately, I'm not far yet, but will hopefully finish this
in ten days or so.

We need volunteers (R *is* a volunteer project !) with moderatly
good S programming skills who help out for the more general
class "design" utilities.  Note that the conf.design() you
mention probably could be used for fac.design().
If you do want to help out, please respond to me, privately.
I will summarize plans to R-help and we may have part of a
discussion on R-devel { : "Devel"opment of new features for R}.

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			<><
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