On Reject and Refine Options in Multicategory Classification

  title={On Reject and Refine Options in Multicategory Classification},
  author={Chong Zhang and Wenbo Wang and Xingye Qiao},
In many real applications of statistical learning, a decision made from misclassification can be too costly to afford; in this case, a reject option, which defers the decision until further investigation is conducted, is often preferred. In recent years, there has been much development for binary classification with a reject option. Yet, little progress has been made for the multicategory case. In this article, we propose margin-based multicategory classification methods with a reject option… CONTINUE READING
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