def test_regression_separation_eval(self):
distances = CondensedMatrix( [ 1., 2., 3., 4.,
5., 6., 7.,
8., 9.,
10.])
clusters = [Cluster(None, elements=[0,1]),
Cluster(None, elements=[2]),
Cluster(None, elements=[3,4])]
clustering = Clustering(clusters)
sep_calctor = SeparationCalculator()
self.assertEqual( sep_calctor.evaluate(clustering, distances,[1,1,1]), 27.0 + 24.0 + 37.0)
self.assertEqual( sep_calctor.evaluate(clustering, distances), (1/0.5)*27.0 + (1/5.0)*37.0)
def test_regression_separation_eval(self):
distances = CondensedMatrix([1., 2., 3., 4., 5., 6., 7., 8., 9., 10.])
clusters = [
Cluster(None, elements=[0, 1]),
Cluster(None, elements=[2]),
Cluster(None, elements=[3, 4])
]
clustering = Clustering(clusters)
sep_calctor = SeparationCalculator()
self.assertEqual(
sep_calctor.evaluate(clustering, distances, [1, 1, 1]),
27.0 + 24.0 + 37.0)
self.assertEqual(sep_calctor.evaluate(clustering, distances),
(1 / 0.5) * 27.0 + (1 / 5.0) * 37.0)
def test_cluster_cohe_sep_wo_prot_eval(self):
distances = CondensedMatrix([1., 2., 3., 4., 5., 6., 7., 8., 9., 10.])
clusters_1 = [
Cluster(None, elements=[0, 1]),
Cluster(None, elements=[2]),
Cluster(None, elements=[3, 4])
]
clusters_2 = [
Cluster(None, elements=[0, 2, 4]),
Cluster(None, elements=[1, 3])
]
clusterization_1 = Clustering(clusters_1)
clusterization_2 = Clustering(clusters_2)
sep_calctor = SeparationCalculator()
self.assertEqual(
sep_calctor.cluster_separation(clusters_1[0], clusterization_1, 1.,
distances), 27.0)
self.assertEqual(
sep_calctor.cluster_separation(clusters_1[1], clusterization_1, 1.,
distances), 24.0)
self.assertEqual(
sep_calctor.cluster_separation(clusters_1[2], clusterization_1, 1.,
distances), 37.0)
self.assertEqual(
sep_calctor.cluster_separation(clusters_2[0], clusterization_2, 1.,
distances), 34.0)
self.assertEqual(
sep_calctor.cluster_separation(clusters_2[1], clusterization_2, 1.,
distances), 34.0)
def test_cluster_mixed_cohesion_wo_prot(self):
distances = CondensedMatrix( [ 1., 2., 3., 4.,
5., 6., 7.,
8., 9.,
10.])
clusters_1 = [Cluster(None, elements=[0,1]),
Cluster(None, elements=[2] ),
Cluster(None, elements=[3,4])]
clusters_2 = [Cluster(None, elements=[0,2,4]),
Cluster(None, elements=[1,3])]
sep_calctor = SeparationCalculator()
self.assertEqual( sep_calctor._SeparationCalculator__between_cluster_distance(clusters_1[0],clusters_1[1],distances),7.0)
self.assertEqual( sep_calctor._SeparationCalculator__between_cluster_distance(clusters_1[0],clusters_1[2],distances),20.0)
self.assertEqual( sep_calctor._SeparationCalculator__between_cluster_distance(clusters_1[1],clusters_1[2],distances),17.0)
self.assertEqual( sep_calctor._SeparationCalculator__between_cluster_distance(clusters_2[0],clusters_2[1],distances),34.0)
def test_cluster_cohe_sep_wo_prot_eval(self):
distances = CondensedMatrix( [ 1., 2., 3., 4.,
5., 6., 7.,
8., 9.,
10.])
clusters_1 = [Cluster(None, elements=[0,1]),
Cluster(None, elements=[2] ),
Cluster(None, elements=[3,4])]
clusters_2 = [Cluster(None, elements=[0,2,4]),
Cluster(None, elements=[1,3])]
clusterization_1 = Clustering(clusters_1)
clusterization_2 = Clustering(clusters_2)
sep_calctor = SeparationCalculator()
self.assertEqual(sep_calctor.cluster_separation(clusters_1[0],clusterization_1,1.,distances),27.0)
self.assertEqual(sep_calctor.cluster_separation(clusters_1[1],clusterization_1,1.,distances),24.0)
self.assertEqual(sep_calctor.cluster_separation(clusters_1[2],clusterization_1,1.,distances),37.0)
self.assertEqual(sep_calctor.cluster_separation(clusters_2[0],clusterization_2,1.,distances),34.0)
self.assertEqual(sep_calctor.cluster_separation(clusters_2[1],clusterization_2,1.,distances),34.0)
def test_cluster_mixed_cohesion_wo_prot(self):
distances = CondensedMatrix([1., 2., 3., 4., 5., 6., 7., 8., 9., 10.])
clusters_1 = [
Cluster(None, elements=[0, 1]),
Cluster(None, elements=[2]),
Cluster(None, elements=[3, 4])
]
clusters_2 = [
Cluster(None, elements=[0, 2, 4]),
Cluster(None, elements=[1, 3])
]
sep_calctor = SeparationCalculator()
self.assertEqual(
sep_calctor._SeparationCalculator__between_cluster_distance(
clusters_1[0], clusters_1[1], distances), 7.0)
self.assertEqual(
sep_calctor._SeparationCalculator__between_cluster_distance(
clusters_1[0], clusters_1[2], distances), 20.0)
self.assertEqual(
sep_calctor._SeparationCalculator__between_cluster_distance(
clusters_1[1], clusters_1[2], distances), 17.0)
self.assertEqual(
sep_calctor._SeparationCalculator__between_cluster_distance(
clusters_2[0], clusters_2[1], distances), 34.0)