Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/101976
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dc.contributor.authorKuncheva, L.en
dc.contributor.authorWhitaker, C.en
dc.contributor.authorCockcroft, P.en
dc.contributor.authorHoare, Z.S.en
dc.date.issued2004en
dc.identifier.citationProceedings of the 20th Conference on Uncertainty in Artificial Intelligence (2004), 2004 / Meek,, C., Halpern, J. (ed./s), pp.325-332en
dc.identifier.urihttp://hdl.handle.net/2440/101976-
dc.description.abstractSuppose that the only available information in a multi-class problem are expert estimates of the conditional probabilities of occurrence for a set of binary features. The aim is to select a subset of features to be measured in subsequent data collection experiments. In the lack of any information about the dependencies between the features, we assume that all features are conditionally independent and hence choose the Naive Bayes classifier as the optimal classifier for the problem. Even in this (seemingly trivial) case of complete knowledge of the distributions, choosing an optimal feature subset is not straightforward. We discuss the properties and implementation details of Sequential Forward Selection (SFS) as a feature selection procedure for the current problem. A sensitivity analysis was carried out to investigate whether the same features are selected when the probabilities vary around the estimated values. The procedure is illustrated with a set of probability estimates for Scrapie in sheep.en
dc.description.statementofresponsibilityL.I. Kuncheva, C.J. Whitaker, P.D. Cockcroft, Z.S.J. Hoareen
dc.language.isoenen
dc.publisherAUAI Pressen
dc.rightsCopyright status unknownen
dc.source.urihttps://dslpitt.org/uai/displayArticles.jsp?mmnu=1&smnu=1&proceeding_id=20en
dc.titlePre-selection of independent binary features: an application to diagnosing scrapie in sheepen
dc.typeConference paperen
dc.identifier.rmid0030057024en
dc.contributor.conference20th Conference on Uncertainty in Artificial Intelligence (UAI '04) (07 Jul 2004 - 11 Jul 2004 : Banff, Canada)en
dc.publisher.placeArlington, Virginiaen
dc.identifier.pubid85860-
pubs.library.collectionAnimal and Veterinary Sciences publicationsen
pubs.library.teamDS06en
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
Appears in Collections:Animal and Veterinary Sciences publications

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