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xgb-tuning

【XGBoost超参数调优 — 唯一调参入口】当用户说"帮我调参"、"模型过拟合了怎么办"、"调整learning_rate/max_depth等参数"时使用。核心能力:基于 Optuna TPE 贝叶斯优化 + 诊断驱动的约束搜索(过拟合→收紧树深度上限,欠拟合→抬高树深度下限),每轮输出诊断报告供用户确认。不做特征探索/特征工程,不批量跑多种方案对比。前置条件:需先用 xgb-modeling 训练出基线模型。与 auto-experiment 的区别:本Skill只调整"模型超参数",auto-experiment 负责"自主探索特征和方案"。

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Repository
aliyun/qwen-dianjin
Last source activity
May 20, 2026 at 14:16
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Chinese
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