Estimating the size of a closed population by modeling latent and observed heterogeneity

06/07/2021
by   Antonio Forcina, et al.
0

The paper describe a new class of capture-recapture models for closed populations when individual covariates are available. The novelty consists in combining a latent class model for capture probabilities where the marginal weights and the conditional distributions given the latent may depend on covariates, with a model for the marginal distribution of the available covariates. In addition, a general formulation for the conditional distributions given the latent and covariates which allows serial dependence is provided. A Fisher scoring algorithm for maximum likelihood estimation is presented, asymptotic results are derived, and a procedure for constructing likelihood based confidence intervals for the population total is presented. Two examples with real data are used to illustrate the proposed approach.

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