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Estimating functions and the generalized method of moments.

Jesus, J; Chandler, RE; (2011) Estimating functions and the generalized method of moments. Interface Focus , 1 (6) 871 - 885. 10.1098/rsfs.2011.0057.

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Estimating functions provide a very general framework for statistical inference, and are particularly useful when one is either unable or unwilling to specify a likelihood function. This paper aims to provide an accessible review of estimating function theory that has potential for application to the analysis and modelling of a wide range of complex systems. Assumptions are given in terms that can be checked relatively easily in practice, and some of the more technical derivations are relegated to an online supplement for clarity of exposition. The special case of the generalized method of moments is considered in some detail. The main points are illustrated by considering the problem of inference for a class of stochastic rainfall models based on point processes, with simulations used to demonstrate the performance of the methods.

Title:Estimating functions and the generalized method of moments.
Keywords:M-estimation, calibration, estimating equation, model selection, uncertainty
UCL classification:UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Statistical Science

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