LanceWilliamsMerges.AverageLinkage (Marvin API documentation (c) 1998-2023 ChemAxon Ltd.)

java.lang.Object
- com.chemaxon.clustering.wards.LanceWilliamsMerges.AverageLinkage

All Implemented Interfaces:

LanceWilliamsMerge

Enclosing class:

LanceWilliamsMerges
```
public static class LanceWilliamsMerges.AverageLinkage
extends Object
implements LanceWilliamsMerge
```
Average linkage clustering, also known as UPGMA.

See Also:

http://en.wikipedia.org/wiki/UPGMA

Constructor Summary

Constructors
Constructor Description

AverageLinkage()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`double`	`dijk(int ni, int nj, int nk, double dij, double dik, double djk)`	Returns the distance of cluster k and the cluster resulted from merging cluster i and j.
`String`	`toString()`

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

- Constructor Detail
  - AverageLinkage
```
public AverageLinkage()
```
- Method Detail
  - dijk
```
public double dijk(int ni,
                   int nj,
                   int nk,
                   double dij,
                   double dik,
                   double djk)
```
    Description copied from interface: LanceWilliamsMerge
    
    Returns the distance of cluster k and the cluster resulted from merging cluster i and j.
    
    Specified by:
    
    dijk in interface LanceWilliamsMerge
    
    Parameters:
    
    ni - Size of cluster i to be merged
    
    nj - Size of cluster j to be merged
    
    nk - Size of cluster k
    
    dij - Distance of clusters i and j
    
    dik - Distance of clusters i and k
    
    djk - Distance of clusters j and k
    
    Returns:
    
    Distance of cluster k and cluster i-j merged
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object