Unverified50% confidenceTradeoffExact time
召回率与特异性/精确率之间存在经典权衡关系,系统若将所有输入标记为有问题,召回率可达100%但特异性趋近于零
1
Sources
50%
Confidence
Long-term
Relevance
9/25/2026
First Seen
Sources
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Unverified在提升召回率时不可避免地牺牲精确率,将召回率从95%提升至99%可能使精确率从90%降至70%71% similarUnverified精度参数看两部分:'读数百分比+末位字数'(如±0.5%+2),末位字数在小量程时对总误差影响很大,只看百分比会误判69% similarUnverified若一道难题在采样中全部失败(pass@k约为0),奖励方差为零,梯度信号几乎消失,参数更新量趋近于零69% similarUnverified一个已部署的、面向连贯性优化的系统特异性高达0.98–1.00,但只能捕捉到42%的真实矛盾67% similarUnverified困惑度是测试集上每个token平均负对数似然的指数,值越低代表模型对语料的预测越准确67% similar
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