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Table 7 Comparing two clustering methods. Intra_Cluster_Dist measures the intra distance inside a cluster, Inter_Cluster_Dist measures the distance between clusters, and Validity indicates the overall performance of the clustering.

From: Analysis of multiplex gene expression maps obtained by voxelation

Function Category

Method

Intra Cluster Distance

Inter Cluster Distance

Validity

Cellular Component

Selected k

4.0212

0.6355

0.1580

 

Hierarchical

4.6096

0.8928

0.1937

Molecular Function

Selected k

4.0469

0.5148

0.1272

 

Hierarchical

5.0396

1.1211

0.2225

Biological Process

Selected k

3.8917

0.6472

0.1663

 

Hierarchical

4.7262

0.7971

0.1687

All the three categories

Selected k

4.0110

0.5543

0.1382

 

Hierarchical

4.8385

0.9813

0.2028