Zero-augmented beta-prime model for multilevel semi-continuous data: a Bayesian inference

Abstract Semi-continuous data characterized by an excessive proportion of zeros and right-skewed continuous positive values appear frequently in medical research. One example would be the pharmaceutical expenditure (PE) data for which a substantial proportion of subjects investigated may report zero...

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Bibliographic Details

Published in:	BMC Medical Research Methodology
Main Authors:	Naser Kamyari, Ali Reza Soltanian, Hossein Mahjub, Abbas Moghimbeigi, Maryam Seyedtabib
Format:	Article
Language:	English
Published:	BMC 2022-11-01
Subjects:	Bayesian framework Non-negative data Two-part mixed-effects model Skew distributions Pharmaceutical expenditure
Online Access:	https://doi.org/10.1186/s12874-022-01736-0