[R] optFederov/AlgDesign - help avail?

paulandpen paulandpen at optusnet.com.au
Tue Apr 22 16:14:12 CEST 2008

of yeah, and your design needs to account for main effects and interactions 
if you intend to model them, so make sure to program that into algdesign as 

----- Original Message ----- 
From: "zubin" <binabina at bellsouth.net>
To: <r-help at r-project.org>
Sent: Monday, April 21, 2008 9:59 PM
Subject: [R] optFederov/AlgDesign - help avail?

> Hello, we are needing to generate optimal (Fractional) designs for
> discrete choice applications, where we will be using logistic regression
> or multinomial logit as the modeling technique.
> It looks like optFederov, in the AlgDesign package may work, but not
> sure if this algorithm works when the variable of interest is binary or
> nominal?
> Anyone who are experts in this area, anyone interested in consulting
> with us in this topic (if so, email me we can arrange)?
> Or can confirm/deny optFederov can work in the discrete case?
> thx!
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