Message-ID: <584436.1075841459546.JavaMail.evans@thyme> Date: Thu, 7 Feb 2002 00:10:08 -0800 (PST) From: ripley@stats.ox.ac.uk To: b.mao@cerep.com Subject: Re: [R] newbie question: polr and glm.control Cc: r-help@lists.r-project.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Bcc: r-help@lists.r-project.org X-From: Prof Brian Ripley X-To: Boryeu Mao X-cc: 'r-help@lists.R-project.org' X-bcc: X-Folder: \ExMerge - Richey, Cooper\Deleted Items X-Origin: RICHEY-C X-FileName: cooper richey 6-26-02.PST On Wed, 6 Feb 2002, Boryeu Mao wrote: > I'm running polr() and getting warning messages from glm.fit(). It seems > reasonable to use glm.control() to turn on the trace and follow what > glm.fit() does when called by polr(); or is it? > > glm.control(maxit=10, trace=TRUE) > polr(act~., data=mm) > > The glm.control() sets the trace TRUE, but there's no change in the output > from polr(). No, it doesn't: it returns an object to be passed to glm. glm.fit is only used in polr to find starting values, so specify `start' to polr. polr is in package MASS, BTW. -- Brian D. Ripley, ripley@stats.ox.ac.uk Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272860 (secr) Oxford OX1 3TG, UK Fax: +44 1865 272595 -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- 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@stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._