Figure 2From: NIFTI: An evolutionary approach for finding number of clusters in microarray dataCluster validation results for the artificial dataset in Figure 1. All three indices, Silhouette (dash line), Dunn's (dot line), and Davies-Bouldin (dash-dot line) incorrectly predict 2 clusters although the underlying data can be seen to have 3 clusters (* indicates the optimal number of clusters predicted by specific index).Back to article page