Ml Overfitting Modern

深度场景的正则化工具箱与过拟合诊断手册。当用户问 Dropout 放哪层/比例多少、weight decay 与 L2 区别、数据增强怎么配、标签平滑、正则叠加是否欠拟合,或报"训练 loss 为 0 而 gap 很大"时激活; 含双下降甄别——插值训练集却泛化良好时,经典"gap=过拟合"直觉需重新标定;纪律:先单手段消融 再组合。不适用于:传统模型过拟合(ml-diagnosis)、训练不动/NaN(ml-deep-training-playbook)。 触发词: dropout, weight decay, label smoothing, double descent

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