一、安装

1.lightgbm

pip install lightgbm

2.xgboost

pip install xgboost
pip install xgboost -i https://pypi.tuna.tsinghua.edu.cn/simple # 指定清华镜像

第一次直接安装，因为网络问题，没安装上。

换成国内清华镜像解决。

3.catboost

pip install catboost -i https://pypi.tuna.tsinghua.edu.cn/simple

安装 CatBoost 时所安装的依赖。

Installing collected packages: tenacity, python-da
 graphviz, catboost
  Attempting uninstall: python-dateutil
    Found existing installation: python-dateutil 2
    Uninstalling python-dateutil-2.6.1:
      Successfully uninstalled python-dateutil-2.6
  Attempting uninstall: numpy
    Found existing installation: numpy 1.14.0
    Uninstalling numpy-1.14.0:
      Successfully uninstalled numpy-1.14.0
  Attempting uninstall: pandas
    Found existing installation: pandas 0.22.0
    Uninstalling pandas-0.22.0:
      Successfully uninstalled pandas-0.22.0
Successfully installed catboost-1.0.4 graphviz-0.1
plotly-5.6.0 python-dateutil-2.8.2 tenacity-8.0.1

二、加载

import pandas as pd
import lightgbm as lgb
import xgboost as xgb
import catboost as ctb

参考链接：机器学习笔记之Anaconda中命令形式安装XGBoost(pip install)