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Inference for earthquake models: A self-correcting model
Authors:Y Ogata  D Vere-Jones
Institution:Institute of Statistical Mathematics, Tokyo, Japan;Victoria University of Wellington, New Zealand
Abstract:Questions of asymptotic inference are discussed for a point process model in which the conditional intensity function increases monotonically between events and drops by determined (nonrandom) amounts after each event. Parameter estimates are shown to be consistent and, except under the null hypothesis of a Poisson process, normally distributed. Under the null hypothesis, however, the Hessian matrix is not asymptotically constant, and the limiting distribution of the likelihood ratio statistics is not χ2, but has a form related to that of the Cramer-von Mises ω2 statistic for the test of goodness of fit.
Keywords:self-correcting point process  conditional intensity function  maximum likelihood estimates  nonstandard case  random Fisher information matrix  weak convergence
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