search for: bradleyterry2

Displaying 4 results from an estimated 4 matches for "bradleyterry2".

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2011 Jun 15
1
Fitting a choice model (Bradley-Terry generalization)
...iments use different comparisons. The problem is a generalization of Bradley-Terry but it differs from some generalizations in that the comparisons are not pairwise, and they don't produce a full ordering, just that one is preferred to the other four possibilities. I have had a look at the BradleyTerry2, eba, pmr and MLCM packages, none of which appear to provide the required functionality. I have also looked at a number of papers (Hunter, 2004; Firth, 2005; Huang Weng and Lin, 2006; and Fujimoto, Hino and Murata 2011). I think fitting using maximum likelihood should be possible, but would wel...
2011 Jun 01
0
Memory management
I am trying to run a very large Bradley-Terry model using the BradleyTerry2 package. (There are 288 "players" in the BT model). My problem is that I ran the model below successfully. WLMat is a win-loss matrix that is 288 by 288 WLdf<-countsToBinomial(WLMat) mod1<-BTm(cbind(win1,win2),player1,player2,~player,id="player",data=WLdf) Then I need...
2010 Mar 14
3
CRAN (and crantastic) updates this week
...* BioPhysConnectoR (1.6-1) Franziska Hoffgaard http://crantastic.org/packages/BioPhysConnectoR Utilities and functions to investigate the relation between biomolecular structures, their interactions, and the evolutionary information revealed in sequence alignments of these molecules. * BradleyTerry2 (0.9-1) Heather Turner http://crantastic.org/packages/BradleyTerry2 Specify and fit the Bradley-Terry model and structured versions * catnet (1.00.0) Nikolay Balov http://crantastic.org/packages/catnet A package that handles discrete Bayesian network models and provides inference u...
2012 May 20
1
CRAN (and crantastic) updates this week
...ackages/tm-plugin-factiva This package provides a tm Source to create corpora from articles exported from the Dow Jones Factiva content provider as XML files. Updated packages ---------------- adaptMCMC (1.0.3), bayesclust (3.1), bayesm (2.2-5), biwavelet (0.11), blm (2012.2.1), boss (1.1), BradleyTerry2 (1.0-0), CDVine (1.1-6), cloudRmpi (1.2), coxme (2.2-3), cvTools (0.3.2), dbstats (1.0.2), dcmle (0.2-1), DescribeDisplay (0.2.3), doBy (4.5-3), extracat (1.5-0), fanc (0.18), fanovaGraph (1.2), fastICA (1.1-15), fda (2.2.8), FrF2 (1.4-1), gdsfmt (0.9.9), gmp (0.5-2), HAC (0.2-2), heplots (0.9-12),...