Abstract
Rakotomamonjy (RO-CAI, pp 71–80, 2009) proposed an ROC-SVM that optimizes the receiver operating characteristic curve (ROC) particularly useful for unbalanced classification. In this article, we establish the piecewise linearity of the ROC-SVM solutions as a function of regularization parameter, and develop an efficient algorithm for computing the entire regularization paths of the ROC-SVM. Finally we develop an R package, rocsvm.path, now available in CRAN.
| Original language | English |
|---|---|
| Pages (from-to) | 264-275 |
| Number of pages | 12 |
| Journal | Journal of the Korean Statistical Society |
| Volume | 49 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 2020 Mar 1 |
Bibliographical note
Funding Information:This work is supported by National Research Foundation of Korea Grant (NRF-2018R1D1A1B07043034).
Publisher Copyright:
© 2020, Korean Statistical Society.
Keywords
- Piecewise linearity
- Receiver operating characteristic curve
- Support vector machine
- Unbalanced classification
ASJC Scopus subject areas
- Statistics and Probability
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