PrecisionRecall (Watset 2.8.1 API)

java.lang.Object
- org.nlpub.watset.eval.PrecisionRecall

```
public class PrecisionRecall
extends Object
```
A wrapper for precision and recall values that computes F-score.

See Also:

Evaluation of unranked retrieval sets

Constructor Summary

Constructors
Constructor Description

PrecisionRecall(double precision, double recall)
Wrap the precision and recall values.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`double`	`getF1Score()`	Compute the F₁-score using precision and recall.
`double`	`getFScore(double beta)`	Compute the F_β-score using precision and recall.
`double`	`getPrecision()`	Get the value of precision.
`double`	`getRecall()`	Get the value of recall.
`String`	`toString()`	Return the textual representation of precision, recall, and F₁.

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

- Constructor Detail
  - PrecisionRecall
```
public PrecisionRecall(double precision,
                       double recall)
```
    Wrap the precision and recall values.
    
    Parameters:
    
    precision - precision
    
    recall - recall
- Method Detail
  - getPrecision
```
public double getPrecision()
```
    Get the value of precision.
    
    Returns:
    
    precision
  - getRecall
```
public double getRecall()
```
    Get the value of recall.
    
    Returns:
    
    recall
  - getF1Score
```
public double getF1Score()
```
    Compute the F₁-score using precision and recall.
    
    Returns:
    
    F₁-score
  - getFScore
```
public double getFScore(double beta)
```
    Compute the F_β-score using precision and recall.
    
    Parameters:
    
    beta - beta value
    
    Returns:
    
    F_β-score value
  - toString
```
public String toString()
```
    Return the textual representation of precision, recall, and F₁.
    
    Overrides:
    
    toString in class Object
    
    Returns:
    
    the textual representation