清华镜像源安装 NGboost XGboost Catboost pip install catboost -i https://pypi.tuna.tsinghua.edu.cn/simple pip install ngboost -i https://pypi.tuna.tsinghua.edu.cn/simple pip install xgboost -i https://pypi.tuna.tsinghua.edu.cn/simple 数据比赛常用预测模型：LGB、XGB与ANN L