One output graph from AMDA workflow applied to NCBI GEO dataset GSE7181. One output of the Affymetrix gene expression workflow is displayed in Figure 5. This is a display of the file Data_norm_HeatMap.png, which is produced and stored by the workflow (see RESULTS). This is a heatmap representation of clustering of differentially expressed genes from six gene expression microarrays, each from a different line of brain tumor stem cells. The three adherent lines cluster together to the left; the three lines that grow as neurospheres cluster together to the right. Details of experimental methods and goals are found in  and  and heatmap generation methods details in .