Fig. 4From: Principal process analysis of biological modelsActivity of the 76 model processes during a 24-h period. Processes are listed in the first column (white background), ordered by variable (blue background). Their activity is depicted in the second column between 0 and 24 h: a horizontal black, resp. white, bar when the process is active, resp. inactive. Values for the switching times are given in Appendix BBack to article page