ObjFunction.RegLossObjLogistic_Jafama

java.lang.Object
- biz.k11i.xgboost.learner.ObjFunction
- - biz.k11i.xgboost.learner.ObjFunction.RegLossObjLogistic
  - - biz.k11i.xgboost.learner.ObjFunction.RegLossObjLogistic_Jafama

All Implemented Interfaces:

java.io.Serializable

Enclosing class:

ObjFunction
```
static class ObjFunction.RegLossObjLogistic_Jafama
extends ObjFunction.RegLossObjLogistic
```
Logistic regression.
Jafama's FastMath.exp(double) version.

- Nested Class Summary
  - Nested classes/interfaces inherited from class biz.k11i.xgboost.learner.ObjFunction
    ObjFunction.RegLossObjLogistic, ObjFunction.RegLossObjLogistic_Jafama, ObjFunction.RegObjFunction, ObjFunction.SoftmaxMultiClassObjClassify, ObjFunction.SoftmaxMultiClassObjProb, ObjFunction.SoftmaxMultiClassObjProb_Jafama
- Constructor Summary
  
  Constructors
  Constructor Description
  
  RegLossObjLogistic_Jafama()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  (package private) float sigmoid(float x)
  - Methods inherited from class biz.k11i.xgboost.learner.ObjFunction.RegLossObjLogistic
    predTransform, predTransform, probToMargin
  - Methods inherited from class biz.k11i.xgboost.learner.ObjFunction
    fromName, register, useFastMathExp
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - RegLossObjLogistic_Jafama
```
RegLossObjLogistic_Jafama()
```
- Method Detail
  - sigmoid
```
float sigmoid(float x)
```
    Overrides:
    
    sigmoid in class ObjFunction.RegLossObjLogistic