CRFTrainerByValueGradients.OptimizableCRF (Mallet 2 API)

java.lang.Object
- cc.mallet.fst.CRFTrainerByValueGradients.OptimizableCRF

All Implemented Interfaces:

Optimizable, Optimizable.ByGradientValue, java.io.Serializable

Enclosing class:

CRFTrainerByValueGradients
```
public class CRFTrainerByValueGradients.OptimizableCRF
extends java.lang.Object
implements Optimizable.ByGradientValue, java.io.Serializable
```
An optimizable CRF that contains a collection of objective functions.

See Also:

Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from interface cc.mallet.optimize.Optimizable
  Optimizable.ByBatchGradient, Optimizable.ByCombiningBatchGradient, Optimizable.ByGISUpdate, Optimizable.ByGradient, Optimizable.ByGradientValue, Optimizable.ByHessian, Optimizable.ByValue, Optimizable.ByVotedPerceptron

Constructor Summary

Constructors
Modifier Constructor Description

protected OptimizableCRF(CRF crf, InstanceList ilist)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`getNumParameters()`
`double`	`getParameter(int index)`
`void`	`getParameters(double[] buffer)`
`double`	`getValue()`	Returns the log probability of the training sequence labels and the prior over parameters.
`void`	`getValueGradient(double[] buffer)`
`void`	`setParameter(int index, double value)`
`void`	`setParameters(double[] buff)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - OptimizableCRF
```
protected OptimizableCRF(CRF crf,
                         InstanceList ilist)
```
- Method Detail
  - getNumParameters
```
public int getNumParameters()
```
    Specified by:
    
    getNumParameters in interface Optimizable
  - getParameters
```
public void getParameters(double[] buffer)
```
    Specified by:
    
    getParameters in interface Optimizable
  - getParameter
```
public double getParameter(int index)
```
    Specified by:
    
    getParameter in interface Optimizable
  - setParameters
```
public void setParameters(double[] buff)
```
    Specified by:
    
    setParameters in interface Optimizable
  - setParameter
```
public void setParameter(int index,
                         double value)
```
    Specified by:
    
    setParameter in interface Optimizable
  - getValue
```
public double getValue()
```
    Returns the log probability of the training sequence labels and the prior over parameters.
    
    Specified by:
    
    getValue in interface Optimizable.ByGradientValue
  - getValueGradient
```
public void getValueGradient(double[] buffer)
```
    Specified by:
    
    getValueGradient in interface Optimizable.ByGradientValue