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Zoekopdracht: faculteit: "FMG" en publicatiejaar: "2000"

AuteursP.C.M. Molenaar, I. Visser, M.E.J. Raijmakers
TitelConfidence intervals for hidden Markov model parameters
TijdschriftBritish Journal of Mathematical and Statistical Psychology
Jaargang53
Jaar2000
Nummer2
Pagina's317-327
ISSN00071102
FaculteitFaculteit der Maatschappij- en Gedragswetenschappen
Instituut/afd.FMG: Psychology Research Institute
TrefwoordenMarkov chains; Time series; Confidence limits statistics
SamenvattingThree methods for computing confidence intervals (CIs) of hidden Markov model parameters are compared in the context of 'long' time series, T > 100, name likelihood profiling, bootstrapping and CIs based on a finite-differences approximation to the Hessian. First it is shown that with 'long' time series computing exact Hessian is not feasible. In simulation studies quadratic and cubic interpolation polynomials for the likelihood profiles are compared. Likelihood profiling a bootstrapping produce similar CIs, whereas the CIs from the finite-differences approximation of the Hessian are mostly too small. (PsycINFO Database Record (c) 2000 APA, all rights reserved)
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