Hurdle and zero-inflated models are the two foremost methods used to deal with excess
zeros. However, their reliance on the nonparticipation assumption is a drawback when …

However, the development of the EM algorithm for finite mixtures simplified the derivation of
the maximum likelihood estimates. In this paper an improvement of the standard EM …

We propose an algorithm for Gaussian mixture modeling with un-known number of mixing
components that combines the EM and the VDM algorithm (Lindsay, 1983). In contrast to …

We introduce a multivariate multidimensional mixed-effects regression model in a finite
mixture framework. We relax the usual unidimensionality assumption on the random effects …

This paper considers a new way of parameterizing mixture models where parameters are
interpreted as the generalized moments of the mixing distribution. Following a …

Kajian ini bertujuan untuk memetakan kes kemortalan bayi mengikut daerah di
Semenanjung Malaysia bagi tahun 1991 hingga 2000. Penganggaran risiko relatif …

Dans l'étude du vieillissement cérébral, le suivi des personnes âgées est soumis à une forte
sélection avec un risque de décès associé à de faibles performances cognitives. La …

In this paper we develop an algorithm to find the maximum likelihood estimator of a convex
hazard function. The maximization is done in two steps. First, we use the support reduction …

This article explores alternative approaches to modeling the relationship between the
number of patents and research and development expenditure. Patent counts typically …

The species problem is important and has wide applications. Estimating the number of
species in a population based on a random sample of individuals has been thoroughly …