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231223s2008 xx |||||o 00| ||eng c |
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|a 10.1109/TPAMI.2007.70740
|2 doi
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|a pubmed24n0595.xml
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|a (NLM)18369251
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Landgrebe, Thomas C W
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Efficient multiclass ROC approximation by decomposition via confusion matrix perturbation analysis
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| 264 |
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1 |
|c 2008
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 10.06.2008
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|a Date Revised 28.03.2008
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|a published: Print
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|a Citation Status MEDLINE
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|a ROC analysis has become a standard tool in the design and evaluation of 2-class classification problems. It allows for an analysis that incorporates all possible priors, costs, and operating points, which is important in many real problems, where conditions are often nonideal. Extending this to the multiclass case is attractive, conferring the benefits of ROC analysis to a multitude of new problems. Even though ROC analysis does extend theoretically to the multiclass case, the exponential computational complexity as a function of the number of classes is restrictive. In this paper we show that the multiclass ROC can often be simplified considerably because some ROC dimensions are independent of each other. We present an algorithm that analyses interactions between various ROC dimensions, identifying independent classes, and groups of interacting classes, allowing the ROC to be decomposed. The resultant decomposed ROC hypersurface can be interrogated in a similar fashion to the ideal case, allowing for approaches such as cost-sensitive and Neyman-Pearson optimisation, as well as the volume under the ROC. An extensive bouquet of examples and experiments demonstrates the potential of this methodology
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|a Journal Article
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| 650 |
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|a Research Support, Non-U.S. Gov't
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| 700 |
1 |
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|a Duin, Robert P W
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on pattern analysis and machine intelligence
|d 1979
|g 30(2008), 5 vom: 29. Mai, Seite 810-22
|w (DE-627)NLM098212257
|x 1939-3539
|7 nnns
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| 773 |
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|g volume:30
|g year:2008
|g number:5
|g day:29
|g month:05
|g pages:810-22
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| 856 |
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|u http://dx.doi.org/10.1109/TPAMI.2007.70740
|3 Volltext
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|d 30
|j 2008
|e 5
|b 29
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|h 810-22
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