...

• Click the GSA data node
• Click Exploratory analysis in the toolbox
• Click Hierarchical clustering/heat map
• Check Samples at the top to cluster the cells in addition to featuresIn the Ordering section, choose Cell type from the Sample order drop-down list
• Click Finish to run with the other default settings
• Double-click the Hierarchical clustering task node to open the heat map (Figure 8)

...