96 citations · 239 across the 22 of their papers we have counts for
4 papers · 1 filter
Heterogeneity in General Multinomial Choice Models
Gerhard Tutz, Ingrid Mauerer
Different voters behave differently, different governments make different decisions, or different organizations are ruled differently. Many research questions important to politica…
A Taxonomy of Polytomous Item Response Models
Gerhard Tutz
A common framework is provided that comprises classical ordinal item response models as the cumulative, sequential and adjacent categories models as well as nominal response models…
Non Proportional Odds Models are Widely Dispensable -- Sparser Modeling based on Parametric and Additive Location-Shift Approaches
Gerhard Tutz, Moritz Berger
The potential of location-shift models to find adequate models between the proportional odds model and the non-proportional odds model is investigated. It is demonstrated that thes…
Transition Models for Count Data: a Flexible Alternative to Fixed Distribution Models
Moritz Berger, Gerhard Tutz
A flexible semiparametric class of models is introduced that offers an alternative to classical regression models for count data as the Poisson and negative binomial model, as well…