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Article: The influence of observations for local log-odd in linear discriminant analysis

TitleThe influence of observations for local log-odd in linear discriminant analysis
Authors
KeywordsCase Deletion
Diagnostic Measure
Discriminant Function
Estimated Probability
Influential Observation
Issue Date1996
PublisherTaylor & Francis Inc. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/03610926.asp
Citation
Communications in Statistics. Theory and Methods, 1996, v. 25 n. 2, p. 257-268 How to Cite?
AbstractIn discriminant analysis, it is often the observations that are difficult to classify that arouse our attention most. We propose diagnostic measures that are defined locally for those observations lying adjacent to the discriminant plane. Different constant values of the discriminant rule have been tried for the proposed measures. These measures are expressed in terms of two fundamental diagnostic statistics in discriminant analysis, proposed independently by Critchley and Vitiello (1991) and Fung (1992). They can be compared using contour plots with other measures such as the Johnson (1987) type measures that are defined over the whole discriminant space. The proposed measures, when studied with simulated confidence envelopes, are found to be useful for detecting influential observations. Copyright © 1996 by Marcel Dekker, Inc.
Persistent Identifierhttp://hdl.handle.net/10722/172412
ISSN
2015 Impact Factor: 0.3
2015 SCImago Journal Rankings: 0.518
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorFung, WKen_US
dc.date.accessioned2012-10-30T06:22:23Z-
dc.date.available2012-10-30T06:22:23Z-
dc.date.issued1996en_US
dc.identifier.citationCommunications in Statistics. Theory and Methods, 1996, v. 25 n. 2, p. 257-268en_US
dc.identifier.issn0361-0926en_US
dc.identifier.urihttp://hdl.handle.net/10722/172412-
dc.description.abstractIn discriminant analysis, it is often the observations that are difficult to classify that arouse our attention most. We propose diagnostic measures that are defined locally for those observations lying adjacent to the discriminant plane. Different constant values of the discriminant rule have been tried for the proposed measures. These measures are expressed in terms of two fundamental diagnostic statistics in discriminant analysis, proposed independently by Critchley and Vitiello (1991) and Fung (1992). They can be compared using contour plots with other measures such as the Johnson (1987) type measures that are defined over the whole discriminant space. The proposed measures, when studied with simulated confidence envelopes, are found to be useful for detecting influential observations. Copyright © 1996 by Marcel Dekker, Inc.en_US
dc.languageengen_US
dc.publisherTaylor & Francis Inc. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/03610926.aspen_US
dc.relation.ispartofCommunications in Statistics. Theory and Methodsen_US
dc.subjectCase Deletionen_US
dc.subjectDiagnostic Measureen_US
dc.subjectDiscriminant Functionen_US
dc.subjectEstimated Probabilityen_US
dc.subjectInfluential Observationen_US
dc.titleThe influence of observations for local log-odd in linear discriminant analysisen_US
dc.typeArticleen_US
dc.identifier.emailFung, WK: wingfung@hku.hken_US
dc.identifier.authorityFung, WK=rp00696en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1080/03610929608831693-
dc.identifier.scopuseid_2-s2.0-18144415675en_US
dc.identifier.hkuros11580-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-18144415675&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume25en_US
dc.identifier.issue2en_US
dc.identifier.spage257en_US
dc.identifier.epage268en_US
dc.identifier.isiWOS:A1996TV03800001-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridFung, WK=13310399400en_US

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