The regularization paths for the ROC-optimizing support vector machines

    Research output: Contribution to journalArticlepeer-review

    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 languageEnglish
    Pages (from-to)264-275
    Number of pages12
    JournalJournal of the Korean Statistical Society
    Volume49
    Issue number1
    DOIs
    Publication statusPublished - 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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