Ml Ensemble Design

集成学习设计方法论:何时值得集成、怎么制造"好而不同"(accuracy + diversity)、Boosting vs Bagging 选型、四类扰动通道、平均/投票/Stacking 结合策略与六种翻车预防。当用户想堆模型涨点、问"多模型融合会更好吗""bagging 还是 boosting""Stacking 线上线下不一致"时激活。信号词:ensemble, bagging, boosting, stacking, voting, 模型融合, diversity。不适用于单模型诊断(用 ml-diagnosis)与不平衡重采样(用 ml-imbalanced-learning)。

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