Package biz.k11i.xgboost.learner
Class ObjFunction.RegLossObjLogistic
- java.lang.Object
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- biz.k11i.xgboost.learner.ObjFunction
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- biz.k11i.xgboost.learner.ObjFunction.RegLossObjLogistic
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- All Implemented Interfaces:
java.io.Serializable
- Direct Known Subclasses:
ObjFunction.RegLossObjLogistic_Jafama
- Enclosing class:
- ObjFunction
static class ObjFunction.RegLossObjLogistic extends ObjFunction
Logistic regression.
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Nested Class Summary
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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 Constructor Description RegLossObjLogistic()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description float
predTransform(float pred)
Transforms a prediction value.float[]
predTransform(float[] preds)
Transforms prediction values.(package private) float
sigmoid(float x)
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Methods inherited from class biz.k11i.xgboost.learner.ObjFunction
fromName, register, useFastMathExp
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Method Detail
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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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