Bias and VarianceAugust 24, 2023 · 3 min readPuQingAI, CVer, Pythoner, Half-stack Developer偏差 (Bias) infoBias(f^(x))=E[f^(x)−f(x)]\operatorname{Bias}(\hat{f}(x))=E[\hat{f}(x)-f(x)]Bias(f^(x))=E[f^(x)−f(x)] 其中，E[⋅]E[\cdot]E[⋅] 表示期望，f(x)f(x)f(x) 是真实值，f^(x)\hat{f}(x)f^(x) 是模型对给定输入 xxx 的预测
