public class JaccardIndex extends Object implements DistanceMeasure
J = |A \cap B| / |A \cup B|
(Jaccard index) distance between two points.Constructor and Description |
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JaccardIndex() |
Modifier and Type | Method and Description |
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double |
compute(Vector a,
Vector b)
Compute the distance between two n-dimensional vectors.
|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
compute, readExternal, writeExternal
public double compute(Vector a, Vector b) throws CardinalityException
The two vectors are required to have the same dimension.
compute
in interface DistanceMeasure
a
- The first vector.b
- The second vector.CardinalityException
- if the array lengths differ.
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Ignite Database and Caching Platform : ver. 2.10.0 Release Date : March 10 2021