EvaluationHelper (adams-pom 24.12.0-SNAPSHOT API)

java.lang.Object
- adams.flow.core.EvaluationHelper

```
public class EvaluationHelper
extends Object
```
A helper class for Evaluation related things.

Author:

fracpete (fracpete at waikato dot ac dot nz)

Constructor Summary

Constructors
Constructor Description

EvaluationHelper()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static double`	`getValue(weka.classifiers.Evaluation eval, EvaluationStatistic statistic, int classIndex)`	Returns a statistical value from the evaluation object.

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

- Constructor Detail
  - EvaluationHelper
```
public EvaluationHelper()
```
- Method Detail
  - getValue
```
public static double getValue(weka.classifiers.Evaluation eval,
                              EvaluationStatistic statistic,
                              int classIndex)
                       throws Exception
```
    Returns a statistical value from the evaluation object.
    
    Parameters:
    
    eval - the evaluation object to get the value from
    
    statistic - the type of value to return
    
    classIndex - the class label index, for statistics like AUC
    
    Returns:
    
    the determined value, Double.NaN if not found
    
    Throws:
    
    Exception - if evaluation fails