smile.taxonomy

Class TaxonomicDistance

java.lang.Object

smile.taxonomy.TaxonomicDistance

All Implemented Interfaces:

java.io.Serializable, java.util.function.ToDoubleBiFunction<Concept,Concept>, Distance<Concept>

public class TaxonomicDistance
extends java.lang.Object
implements Distance<Concept>

The distance between concepts in a taxonomy. The distance between two concepts a and b is defined by the length of the path from a to their lowest common ancestor and then to b.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
TaxonomicDistance(Taxonomy taxonomy) Constructor.

Method Summary

Modifier and Type	Method and Description
double	d(Concept x, Concept y) Compute the distance between two concepts in a taxonomy.
double	d(java.lang.String x, java.lang.String y) Compute the distance between two concepts in a taxonomy.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface smile.math.distance.Distance

apply, applyAsDouble, D, D

Constructor Detail

TaxonomicDistance

public TaxonomicDistance(Taxonomy taxonomy)

Constructor.

Parameters:

taxonomy - the taxonomy that this distance is associated with.

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

d

public double d(java.lang.String x,
                java.lang.String y)

Compute the distance between two concepts in a taxonomy.

d

public double d(Concept x,
                Concept y)

Compute the distance between two concepts in a taxonomy.

Specified by:

d in interface Distance<Concept>