CosineSimilarity (Apache Commons Text 1.6 API)

java.lang.Object
- org.apache.commons.text.similarity.CosineSimilarity

```
public class CosineSimilarity
extends Object
```
Measures the Cosine similarity of two vectors of an inner product space and compares the angle between them.
For further explanation about the Cosine Similarity, refer to http://en.wikipedia.org/wiki/Cosine_similarity.

Since:

1.0

Constructor Summary

Constructors
Constructor Description

CosineSimilarity()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Double`	`cosineSimilarity(Map<CharSequence,Integer> leftVector, Map<CharSequence,Integer> rightVector)`	Calculates the cosine similarity for two given vectors.

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

- Constructor Detail
  - CosineSimilarity
```
public CosineSimilarity()
```
- Method Detail
  - cosineSimilarity
```
public Double cosineSimilarity(Map<CharSequence,Integer> leftVector,
                               Map<CharSequence,Integer> rightVector)
```
    Calculates the cosine similarity for two given vectors.
    
    Parameters:
    
    leftVector - left vector
    
    rightVector - right vector
    
    Returns:
    
    cosine similarity between the two vectors