Package biz.k11i.xgboost.learner
Class ObjFunction.RegLossObjLogistic
java.lang.Object
biz.k11i.xgboost.learner.ObjFunction
biz.k11i.xgboost.learner.ObjFunction.RegLossObjLogistic
- All Implemented Interfaces:
Serializable
- Direct Known Subclasses:
ObjFunction.RegLossObjLogistic_Jafama
- Enclosing class:
ObjFunction
Logistic regression.
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Nested Class Summary
Nested classes/interfaces inherited from class biz.k11i.xgboost.learner.ObjFunction
ObjFunction.RegLossObjLogistic, ObjFunction.RegLossObjLogistic_Jafama, ObjFunction.SoftmaxMultiClassObjClassify, ObjFunction.SoftmaxMultiClassObjProb, ObjFunction.SoftmaxMultiClassObjProb_Jafama
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionfloat
predTransform
(float pred) Transforms a prediction value.float[]
predTransform
(float[] preds) Transforms prediction values.(package private) float
sigmoid
(float x) Methods inherited from class biz.k11i.xgboost.learner.ObjFunction
fromName, register, useFastMathExp
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Constructor Details
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RegLossObjLogistic
RegLossObjLogistic()
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Method Details
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predTransform
public float[] predTransform(float[] preds) Description copied from class:ObjFunction
Transforms prediction values.- Overrides:
predTransform
in classObjFunction
- Parameters:
preds
- prediction- Returns:
- transformed values
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predTransform
public float predTransform(float pred) Description copied from class:ObjFunction
Transforms a prediction value.- Overrides:
predTransform
in classObjFunction
- Parameters:
pred
- prediction- Returns:
- transformed value
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sigmoid
float sigmoid(float x)
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