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Article: The influence of observations for local log-odd in linear discriminant analysis
Title | The influence of observations for local log-odd in linear discriminant analysis |
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Authors | |
Keywords | Case Deletion Diagnostic Measure Discriminant Function Estimated Probability Influential Observation |
Issue Date | 1996 |
Publisher | Taylor & 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? |
Abstract | In 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 Identifier | http://hdl.handle.net/10722/172412 |
ISSN | 2023 Impact Factor: 0.6 2023 SCImago Journal Rankings: 0.446 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Fung, WK | en_US |
dc.date.accessioned | 2012-10-30T06:22:23Z | - |
dc.date.available | 2012-10-30T06:22:23Z | - |
dc.date.issued | 1996 | en_US |
dc.identifier.citation | Communications in Statistics. Theory and Methods, 1996, v. 25 n. 2, p. 257-268 | en_US |
dc.identifier.issn | 0361-0926 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/172412 | - |
dc.description.abstract | In 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.language | eng | en_US |
dc.publisher | Taylor & Francis Inc. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/03610926.asp | en_US |
dc.relation.ispartof | Communications in Statistics. Theory and Methods | en_US |
dc.subject | Case Deletion | en_US |
dc.subject | Diagnostic Measure | en_US |
dc.subject | Discriminant Function | en_US |
dc.subject | Estimated Probability | en_US |
dc.subject | Influential Observation | en_US |
dc.title | The influence of observations for local log-odd in linear discriminant analysis | en_US |
dc.type | Article | en_US |
dc.identifier.email | Fung, WK: wingfung@hku.hk | en_US |
dc.identifier.authority | Fung, WK=rp00696 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1080/03610929608831693 | - |
dc.identifier.scopus | eid_2-s2.0-18144415675 | en_US |
dc.identifier.hkuros | 11580 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-18144415675&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 25 | en_US |
dc.identifier.issue | 2 | en_US |
dc.identifier.spage | 257 | en_US |
dc.identifier.epage | 268 | en_US |
dc.identifier.isi | WOS:A1996TV03800001 | - |
dc.publisher.place | United States | en_US |
dc.identifier.scopusauthorid | Fung, WK=13310399400 | en_US |
dc.identifier.issnl | 0361-0926 | - |