Package smile.taxonomy

Class TaxonomicDistance

java.lang.Object

smile.taxonomy.TaxonomicDistance

All Implemented Interfaces:

Serializable, ToDoubleBiFunction<Concept,Concept>, Distance<Concept>

public class TaxonomicDistance
extends 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	Description
TaxonomicDistance(Taxonomy taxonomy)	Constructor.

Method Summary

Modifier and Type	Method	Description
double	d(String x, String y)	Computes the distance between two concepts in a taxonomy.
double	d(Concept x, Concept y)	Computes the distance between two concepts in a taxonomy.
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, pdist, pdist

Constructor Details

TaxonomicDistance

public TaxonomicDistance(Taxonomy taxonomy)

Constructor.

Parameters:

taxonomy - the taxonomy that this distance is associated with.

Method Details

toString

public String toString()

Overrides:

toString in class Object

d

public double d(String x,
 String y)

Computes the distance between two concepts in a taxonomy.

Parameters:

x - a concept.

y - the other concept.

Returns:

the distance.

d

public double d(Concept x,
 Concept y)

Computes the distance between two concepts in a taxonomy.

Specified by:

d in interface Distance<Concept>

Parameters:

x - an object.

y - an object.

Returns:

the distance.