StaticFeature (Terrier Information Retrieval Platform 5.5 API)

java.lang.Object
- org.terrier.matching.models.WeightingModel
- - org.terrier.matching.models.StaticScoreModifierWeightingModel
  - - org.terrier.matching.models.StaticFeature

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, Model
```
public class StaticFeature
extends StaticScoreModifierWeightingModel
```
Class for query independent features loaded from file. See StaticScoreModifierWeightingModel for supported input file formats.

Since:

4.0

Author:

Craig Macdonald

See Also:

Serialized Form

- Field Summary
  - Fields inherited from class org.terrier.matching.models.StaticScoreModifierWeightingModel
    asFloat, FstaticMap, FstaticScores, map, source, staticMap, staticScores
  - Fields inherited from class org.terrier.matching.models.WeightingModel
    averageDocumentLength, c, cs, documentFrequency, es, i, keyFrequency, numberOfDocuments, numberOfPointers, numberOfPostings, numberOfTokens, numberOfUniqueTerms, rq, termFrequency
- Constructor Summary
  
  Constructors
  Constructor Description
  
  StaticFeature(double[] scores)
  
  StaticFeature(gnu.trove.TIntDoubleHashMap scores)
  
  StaticFeature(java.lang.String[] params)
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  double score(Posting p)
  Returns score
  - Methods inherited from class org.terrier.matching.models.StaticScoreModifierWeightingModel
    castToDoubleArr, castToDoubleArr, castToFloatArr, castToFloatArr, getInfo, getScoreD, getScoreF, getSource, loadDocid2score, loadfloatOOS, loadOOS, loadScorefile, max, min, printStats, score, standardNormalisation
  - Methods inherited from class org.terrier.matching.models.WeightingModel
    clone, getOverflowed, getParameter, prepare, setCollectionStatistics, setEntryStatistics, setKeyFrequency, setParameter, setRequest
  - Methods inherited from class java.lang.Object
    equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - StaticFeature
```
public StaticFeature(java.lang.String[] params)
```
  - StaticFeature
```
public StaticFeature(double[] scores)
```
  - StaticFeature
```
public StaticFeature(gnu.trove.TIntDoubleHashMap scores)
```
- Method Detail
  - score
```
public double score(Posting p)
```
    Description copied from class: WeightingModel
    
    Returns score
    
    Specified by:
    
    score in class StaticScoreModifierWeightingModel
    
    Returns:
    
    score