Non singularity of the asymptotic Fisher information matrix in hidden Markov models - Archive ouverte HAL
Pré-Publication, Document De Travail Année : 2005

Non singularity of the asymptotic Fisher information matrix in hidden Markov models

Résumé

In this paper, we consider a parametric hidden Markov model where the hidden state space is non necessarily finite. We provide a necessary and sufficient condition for the invertibility of the limiting Fisher information matrix.
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Dates et versions

hal-00014504 , version 1 (25-11-2005)

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Randal Douc. Non singularity of the asymptotic Fisher information matrix in hidden Markov models. 2005. ⟨hal-00014504⟩
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