Figure 2From: Computational cluster validation for microarray data analysis: experimental assessment of Clest, Consensus Clustering, Figure of Merit, Gap Statistics and Model ExplorerAn example of number of cluster prediction with the use of WCSS. (a) Dataset. (b) Plot of the values of WCSS with the use of K-means-R on the dataset displayed in (a). The "knee" in the plot indicates the correct number of clusters in the dataset: k* = 2.Back to article page