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Kalman filter initialization for integrated population modelling

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Summary.  In integrated population modelling in ecology, where data from multiple surveys are analysed simultaneously, the Kalman filter may be used to approximate a component likelihood for a state space model of population count data. We evaluate a new method for initiating this Kalman filter, based on a stable age distribution. The new method is illustrated and compared with alternative approaches by application to data on the grey heron. The new method is simple to use, extends naturally to the case of multivariate time series of count data and performs well in a simulation study.

Document Type: Research Article


Affiliations: 1: Athens University of Economics and Business, Greece, and University of Kent, Canterbury, UK 2: University of Kent, Canterbury, UK

Publication date: January 1, 2012


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