xgboost

- kAuto : xgboost::common::Sched
- kBinary : xgboost::ObjInfo
- kCategorical : xgboost::FeatureMap
- kClassification : xgboost::ObjInfo
- kDynamic : xgboost::common::Sched
- kFloat : xgboost::FeatureMap
- kGuided : xgboost::common::Sched
- kIndicator : xgboost::FeatureMap
- kInteger : xgboost::FeatureMap
- kOther : xgboost::ObjInfo
- kQuantitive : xgboost::FeatureMap
- kRanking : xgboost::ObjInfo
- kRegression : xgboost::ObjInfo
- kStatic : xgboost::common::Sched
- kSurvival : xgboost::ObjInfo