Unverified50% confidenceDecision RuleExact time
The expected cost of a decision depends not only on the probability that the model makes an incorrect judgment, but also on the actual consequences when an error occurs.
1
Sources
50%
Confidence
Long-term
Relevance
8/30/2026
First Seen
Sources
Related Entities
Related Claims
Unverified期望价值的计算方式为各种可能结果的收益乘以其发生概率之和75% similarUnverifiedIn the no-show prediction task, the cost of missing truly absent patients (false negatives) is far higher than the cost of misclassifying patients who do show up, so recall should be prioritized.69% similarUnverified在二分类中模型默认使用0.5作为判定阈值,但假阳性和假阴性的代价往往不对等,需通过成本敏感的阈值优化调整决策边界67% similarUnverified分层模型路由策略若分类不准确或过度偏向成本控制,会导致用户感知到的质量下降65% similarUnverified在专业信息上对模型进行微调可能导致更多幻觉,且成本效益极差64% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/823677API
curl https://kongchang.com/api/v1/knowledge/claims/823677MCP
get_claim(id=823677)