1 citations · 1 across the 1 of their papers we have counts for
2 papers
stat.AP2019
An Alternative Formulation of Coxian Phase-type Distributions with Covariates: Application to Emergency Department Length of Stay
Jean Rizk, Kevin Burke, Cathal Walsh
In this paper we present a new methodology to model patient transitions and length of stay in the emergency department using a series of conditional Coxian phase-type distributions…
math.ST2019★ 1 cited
On the Non-uniqueness of Representations of Coxian Phase-Type Distributions
Jean Rizk, Kevin Burke, Cathal Walsh
Parameter estimation in Coxian phase-type models can be challenging due to their non-unique representation leading to a multi-modal likelihood. Since each representation correspond…