FixedCosineSimilarity (ClearTK 2.0.0 API)

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java.lang.Object
- org.cleartk.ml.feature.transform.extractor.FixedCosineSimilarity

All Implemented Interfaces:

SimilarityFunction
```
public class FixedCosineSimilarity
extends Object
implements SimilarityFunction
```
Like cosine similarity, but accepts a pre-specified vector, to avoid repeated recalculation of the magnitude
Copyright (c) 2012, Regents of the University of Colorado
All rights reserved.

Author:

Lee Becker

- Field Summary
  
  Fields
  Modifier and Type Field and Description
  
  protected double fixedMagnitude
  
  protected Map<String,Double> fixedVector
- Constructor Summary
  
  Constructors
  Constructor and Description
  
  FixedCosineSimilarity(Map<String,Double> fixedVector)
- Method Summary
  
  Methods
  Modifier and Type Method and Description
  
  double distance(Map<String,Double> vector)
  
  double distance(Map<String,Double> vector1, Map<String,Double> vector2)
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

fixedMagnitude
```
protected double fixedMagnitude
```

fixedVector

protected Map<String,Double> fixedVector

Constructor Detail

FixedCosineSimilarity

public FixedCosineSimilarity(Map<String,Double> fixedVector)

Method Detail

distance

public double distance(Map<String,Double> vector)

distance

public double distance(Map<String,Double> vector1,
              Map<String,Double> vector2)

Specified by:: distance in interface SimilarityFunction

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Copyright © 2014. All rights reserved.