public void Cluster_AllObjectsInSameCluster()
{
var matrix = new[, ]
{
{ 0.00, 0.09, 0.12 },
{ 0.09, 0.00, 0.21 },
{ 0.12, 0.21, 0.00 }
};
char[] objects = { 'A', 'B', 'C' };
var clusterer = new DbscanClusterer <char>(o1 => objects.Where(o2 => matrix[o1 - 'A', o2 - 'A'] <= 0.2), 2);
Cluster <char>[] clusters = clusterer.GenerateClusters(objects).ToArray();
Assert.That(clusters, Is.EquivalentTo(new[] { new Cluster <char>('A', 'B', 'C'), new Cluster <char>(Enumerable.Empty <char>(), true) }).Using(new ClusterEqualityComparer <char>()));
}
public void Cluster_NoiseNotEmpty()
{
var matrix = new[, ]
{
{ 0.00, 0.09, 0.22 },
{ 0.09, 0.00, 0.30 },
{ 0.22, 0.30, 0.00 }
};
char[] objects = { 'A', 'B', 'C' };
var clusterer = new DbscanClusterer <char>(o1 => objects.Where(o2 => matrix[o1 - 'A', o2 - 'A'] <= 0.2), 2);
Cluster <char>[] clusters = clusterer.GenerateClusters(objects).ToArray();
Assert.That(clusters, Is.EquivalentTo(new[] { new Cluster <char>('A', 'B'), new Cluster <char>(new[] { 'C' }, true) }).Using(new ClusterEqualityComparer <char>()));
}