@JeemyJohn
2017-12-24T20:33:24.000000Z
字数 557
阅读 1143
机器学习
对比项 | XGBoost | LightGBM |
---|---|---|
正则化 | L1/L2 | L1/L2 |
列采样 | yes | yes |
Exact Gradient | yes | yes |
近似算法 | yes | no |
稀疏数据 | yes | yes |
分布式并行 | yes | yes |
缓存 | yes | no |
out of core | yes | no |
加权数据 | yes | yes |
树增长方式 | level-wise | leaf-wise |
基于算法 | pre-sorted | histgram |
最大树深度控制 | 无 | 有 |
dropout | no | yes |
Bagging | yes | yes |
用途 | 回归、分类、rank | 回归、分类、lambdrank |
GPU支持 | no | yes |
网络通信 | point-to-point | collective-communication |
CategoricalFeatures | 无优化 | 优化 |
Continued train with input GBDT model | no | yes |
Continued train with input | no | yes |
Early Stopping(both training and prediction) | no | yes |