15 citations · 16 across the 5 of their papers we have counts for
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stat.ME2021
Hidden Markov Models for Longitudinal Rating Data with Dynamic Response Styles
R. Colombi, S. Giordano, M. Kateri
This work deals with the analysis of longitudinal ordinal responses. The novelty of the proposed approach is in modeling simultaneously the temporal dynamics of a latent trait of i…
stat.ME2016★ 15 cited
Modelling Ordinal Responses with Uncertainty: a Hierarchical Marginal Model with Latent Uncertainty components
Roberto Colombi, Sabrina Giordano, Anna Gottard +1
In responding to rating questions, an individual may give answers either according to his/her knowledge/awareness or to his/her level of indecision/uncertainty, typically driven by…
stat.ME2013
Multiple Hidden Markov Models for Categorical Time Series
Roberto Colombi, Sabrina Giordano
We introduce multiple hidden Markov models (MHMMs) where an observed multivariate categorical time series depends on an unobservable multivariate Mar- kov chain. MHMMs provide an e…