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 well
----- Original Message ----- From: "zubin" <[EMAIL PROTECTED]> To: <r-help@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! > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
