Mixture item response theory (IRT) models integrate the principles of traditional IRT with latent class analysis to address heterogeneity in response behaviours. By combining a continuous latent trait ...
Annals of Nutrition & Metabolism, Vol. 65, No. 2/3, Analysis of Growth Trajectories (2014), pp. 236-240 (5 pages) This paper is a critical note regarding the classification of developmental ...
Journal of the Royal Statistical Society. Series C (Applied Statistics), Vol. 56, No. 2 (2007), pp. 119-137 (19 pages) We analyse data from a study involving 173 pregnant women. The data are observed ...