Machine learningDecision theory
三向决策
三向决策（Three-Way Decisions, 3WD）是由Yiyu Yao于2010年提出的一种决策理论框架，它利用概率粗糙集理论将对象的宇宙划分为三个区域：正区域（接受）、负区域（拒绝）和边界区域（弃权）。与强制每个对象归入两个类别之一的二元分类器不同，3WD通过允许第三种选择——在证据不足以做出自信决策时推迟判断——明确承认了不确定性。
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来源
- Yao, Y. (2010). Three-way decisions with probabilistic rough sets. Information Sciences, 180(3), 341–353. DOI: 10.1016/j.ins.2009.09.021 ↗
如何引用本页
ScholarGate. (2026, June 2). Three-Way Decisions. ScholarGate. https://scholargate.app/zh/soft-computing/three-way-decisions
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