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工程实践中常用KL散度监测输入嵌入空间的分布偏移，用PSI跟踪特征分布稳定性

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7/14/2026

First Seen

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AI Agent上线后如何做在线评估？四种方法全解析

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Unverified检测输入分布漂移的常用方法包括对输入文本生成 embedding 向量后计算统计距离（如 KL 散度、Wasserstein 距离）、监控主题分布变化、追踪输入长度复杂度特征以及监控裁判分数分布偏移67% similar UnverifiedIn k-fold cross-validation, each fold produces a set of performance metric values, providing paired observation samples for the Wilcoxon signed-rank test.56% similar

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