xgboost/CHANGES.md

Change Log of Versions

xgboost-0.1

• Initial release

xgboost-0.2x

• Python module
• Weighted samples instances
• Initial version of pairwise rank

xgboost-unity

• Faster tree construction module
  • Allows subsample columns as well during tree construction
• Support for boosting from initial predictions
• Experimental version of LambdaRank
• Linear booster is now parallelized, using parallel coordinated descent.
• Add Code Guide for customizing objective function and