On the computer intensive methods in model selection

Iskander, D. Robert, Alkhaldi, Weaam, & Zoubir, Abdelhak M. (2008) On the computer intensive methods in model selection. In Adali, Tulay & Rao, Bhaskar (Eds.) 2008 IEEE International Conference on Acoustics, Speech and Signal Processing, 30 March - 4 April 2008, Las Vegas, Nevada, United States of America.

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Bootstrap-basedmodel selection has been shown inmany practical instances to be superior to classical methods such the AIC and MDL. This is particularly noticeable when the distribution of modelling noise is unknown and/or when the available data samples are small. One of the main problems of using bootstrap model selection with real data is the necessity of tuning the residual scaling parameter or estimating the length of a sub-sample. Recently, we have developed a new hook and loop (HL) resampling plane, in which the scaling of the residuals is avoided. Here, we compare the performance of the range of resampling planes that can be used in the context of model selection and show that the HL-based model selection is superior to its predecessors. Moreover, in the context of fitting parametric models to corneal data measured by videokeratoscopes, the HL provides results that are consistent with clinical expectations.

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ID Code: 20185
Item Type: Conference Paper
Refereed: Yes
Additional URLs:
Keywords: Hook and loop, Resampling plains
ISBN: 1424414849
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300) > Vision Science (111303)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Optometry & Vision Science
Copyright Owner: Copyright 2008 IEEE
Copyright Statement: Published in the IEEE 2008 International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2008), scheduled for March 30 - April 4, 2008 in Las Vegas, Nevada, U.S.A. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works, must be obtained from the IEEE. Contact: Manager, Copyrights and Permissions / IEEE Service Center / 445 Hoes Lane / P.O. Box 1331 / Piscataway, NJ 08855-1331, USA. Telephone: + Intl. 908-562-3966.
Deposited On: 28 Apr 2009 22:22
Last Modified: 29 Feb 2012 13:51

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