Fast and Exact Leave-One-Out Analysis of Large-Margin Classifiers
Fast and Exact Leave-One-Out Analysis of Large-Margin Classifiers
复制标题
大余量分类器的快速准确留一分析
DOI:
10.1080/00401706.2021.1967199
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发表时间:
2022
期刊:
影响因子:
2.5
通讯作者:
Zou, Hui
中科院分区:
文献类型:
--
作者:
Wang, Boxiang;Zou, Hui
Motivated by the Golub–Heath–Wahba formula for ridge regression, we first present a new leave-one-out lemma for the kernel support vector machines (SVM) and related large-margin classifiers. We then use the lemma to design a novel and efficient algorithm, named “magicsvm,” for training the kernel SVM and related large-margin classifiers and computing the exact leave-one-out cross-validation error. By “magicsvm,” the computational cost of leave-one-out analysis is of the same order of fitting a single SVM on the training data. We show that “magicsvm” is much faster than the state-of-the-art SVM solvers based on extensive simulations and benchmark examples. The same idea is also used to boost the computation speed of theV-fold cross-validation of the kernel classifiers.
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影响因子:
0.8
作者:
G. Wahba;S. Wold
通讯作者:
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影响因子:
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作者:
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通讯作者:
Teboulle, Marc
DOI:
10.1080/01621459.2018.1424632
发表时间:
2020-01-02
影响因子:
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作者:
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通讯作者:
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