Multiple-record systems estimation using latent class models
Date
2009
Authors
Wang, Y.
Thandrayen, J.
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Journal article
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Australian and New Zealand Journal of Statistics, 2009; 51(1):101-111
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Abstract
Capture–recapture methods (also referred to as ‘multiple-record systems’) have been widely used in enumerating human populations in the fields of epidemiology and public health. In this article, we introduce latent class models into multiple-record systems to account for unobserved heterogeneity in the population. Two approaches, the full and the conditional likelihood, are proposed to estimate the unknown population abundance. We also suggest rules to diagnose identifiability of the proposed latent class models. The methodologies are illustrated by two real examples: the first is to count the undercount of homelessness in the Adelaide central business district, and the second concerns the incidence of diabetes in a small Italian town.
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Copyright 2009 Australian Statistical Publishing Association