Selection of transcription levels in the framework. In the same example as Fig. 13, now parallel coordinates are used to select the genes with high transcription levels in the conditions E9A, E9B, E10A and E10B and also low transcription levels for conditions E1A, E1B. The result are eleven genes that form the core of several biclusters. All these genes have a high correlation under all the conditions, as shown by the parallel coordinates and the heatmap. If we analyze the TRN network, we see that this occurs because all of them correspond to the same activation branch of the network.