xgboost.training.CVPack Class Reference

Public Member Functions
None	__init__ (self, DMatrix dtrain, DMatrix dtest, Optional[Union[Dict, List]] param)
Callable	__getattr__ (self, str name)
None	update (self, int iteration, Optional[Objective] fobj)
str	eval (self, int iteration, Optional[Metric] feval, bool output_margin)

Data Fields
	dtrain
	dtest
	watchlist
	bst

Detailed Description

 "Auxiliary datastruct to hold one fold of CV.

Constructor & Destructor Documentation

__init__()

None xgboost.training.CVPack.__init__	(		self,
		DMatrix	dtrain,
		DMatrix	dtest,
		Optional[Union[Dict, List]]	param
	)

 "Initialize the CVPack

Member Function Documentation

eval()

str xgboost.training.CVPack.eval	(		self,
		int	iteration,
		Optional[Metric]	feval,
		bool	output_margin
	)

 "Evaluate the CVPack for one iteration.

update()

None xgboost.training.CVPack.update	(		self,
		int	iteration,
		Optional[Objective]	fobj
	)

 "Update the boosters for one iteration

---

The documentation for this class was generated from the following file:

• External/xgboost/python-package/xgboost/training.py