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RSFAS Seminar | Prof Richard Barker

RSFAS Seminar | Prof Richard Barker

Speaker: Professor Richard Barker (PVC), the University of Otago

Chair: Professor Alan Welsh, ANU College of Business and Economics

Continuous Time Capture-Recapture


Motivated by field sampling of DNA fragments, we describe a general model for capture-recapture modelling of samples drawn one at a time in continuous-time. Our model is based on Poisson sampling where the sampling time may be unobserved.  We show that previously described models correspond to partial likelihoods from our Poisson model and their use may be justified through arguments concerning $S$- and Bayes-ancillarity of discarded information. We demonstrate a further link to continuous-time capture-recapture models and explain observations that have been made about this class of models in terms of partial ancillarity. We illustrate application of our models using data from the European badger Meles meles in which genotyping of DNA fragments was subject to error.

A short casual chat with the speaker will follow at 10am using the same Zoom ID, which participants are welcome to attend.

Updated:   28 October 2020 / Responsible Officer:  CBE Communications and Outreach / Page Contact:  College Web Team