3 papers
stat.ME2019
Davidson-Luce model for multi-item choice with ties
David Firth, Ioannis Kosmidis, Heather Turner
This paper introduces a natural extension of the pair-comparison-with-ties model of Davidson (1970, J. Amer. Statist. Assoc.), to allow for ties when more than two items are compar…
math.ST2018
Jeffreys-prior penalty, finiteness and shrinkage in binomial-response generalized linear models
Ioannis Kosmidis, David Firth
Penalization of the likelihood by Jeffreys' invariant prior, or by a positive power thereof, is shown to produce finite-valued maximum penalized likelihood estimates in a broad cla…
stat.CO2018
Modelling rankings in R: the PlackettLuce package
Heather L. Turner, Jacob van Etten, David Firth +1
This paper presents the R package PlackettLuce, which implements a generalization of the Plackett-Luce model for rankings data. The generalization accommodates both ties (of arbitr…