Fast computing of some generalized linear mixed pseudo-models with temporal autocorrelation

This paper considers ways to increase computational speed in generalized linear mixed pseudo-models for the case of many repeated measurements on subjects. We obtain linearly increasing computing time with number of observations, as opposed to O( n 3 ) increasing computing time using numerical optim...

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Veröffentlicht in:Computational statistics Jg. 25; H. 1; S. 39 - 55
Hauptverfasser: Ver Hoef, Jay M., London, Josh M., Boveng, Peter L.
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Berlin/Heidelberg Springer-Verlag 01.03.2010
Springer Nature B.V
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ISSN:0943-4062, 1613-9658
Online-Zugang:Volltext
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Zusammenfassung:This paper considers ways to increase computational speed in generalized linear mixed pseudo-models for the case of many repeated measurements on subjects. We obtain linearly increasing computing time with number of observations, as opposed to O( n 3 ) increasing computing time using numerical optimization. We also find a surprising result; that incomplete optimization for covariance parameters within the larger parameter estimation algorithm actually decreases time to convergence. After comparing various computing algorithms and choosing the best one, we fit a generalized linear mixed model to a binary time series data set with over 100 fixed effects, 50 random effects, and approximately 1.5 ×  10 5 observations.
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ISSN:0943-4062
1613-9658
DOI:10.1007/s00180-009-0160-1