Number of Clusters for Automated Compression Use this feature to specify the number of clusters to form from the input K matrix . The K matrix is then compressed to have dimensions equal to this value. Specifying a higher number of clusters equates to minimal compression while a low number of clusters groups many samples together and yields high compression. Note : This field is enabled only when the Automated Compression Method is selected. To Specify the Number of Clusters for Automated Compression: Type the desired number of clusters in the text box.