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Efficient conformal...
Efficient conformal predictor ensembles
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- Linnusson, Henrik (author)
- Högskolan i Borås,Akademin för bibliotek, information, pedagogik och IT,University of Borås, Sweden
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- Johansson, Ulf (author)
- Jönköping University,Jönköping AI Lab (JAIL),Department of Computer Science and Informatics, Jönköping University, Sweden
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- Boström, Henrik (author)
- KTH,Programvaruteknik och datorsystem, SCS,School of Electrical Engineering and Computer Science, KTH Royal Institute of Technology, Sweden
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(creator_code:org_t)
- Elsevier BV, 2020
- 2020
- English.
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In: Neurocomputing. - : Elsevier BV. - 0925-2312 .- 1872-8286. ; 397, s. 266-278
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Abstract
Subject headings
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- In this paper, we study a generalization of a recently developed strategy for generating conformal predictor ensembles: out-of-bag calibration. The ensemble strategy is evaluated, both theoretically and empirically, against a commonly used alternative ensemble strategy, bootstrap conformal prediction, as well as common non-ensemble strategies. A thorough analysis is provided of out-of-bag calibration, with respect to theoretical validity, empirical validity (error rate), efficiency (prediction region size) and p-value stability (the degree of variance observed over multiple predictions for the same object). Empirical results show that out-of-bag calibration displays favorable characteristics with regard to these criteria, and we propose that out-of-bag calibration be adopted as a standard method for constructing conformal predictor ensembles.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
- NATURVETENSKAP -- Data- och informationsvetenskap -- Datorteknik (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences -- Computer Engineering (hsv//eng)
- NATURVETENSKAP -- Data- och informationsvetenskap (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences (hsv//eng)
- NATURVETENSKAP -- Data- och informationsvetenskap -- Datavetenskap (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences -- Computer Sciences (hsv//eng)
Keyword
- Classification
- Conformal prediction
- Ensembles
- Classification (of information)
- Forecasting
- Statistical methods
- Conformal predictions
- Conformal predictors
- Ensemble strategies
- Error rate
- P-values
- Region size
- Calibration
- article
- bootstrapping
- prediction
- theoretical study
- validity
- datalogi
Publication and Content Type
- ref (subject category)
- art (subject category)
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