Results of enumerating all possible regulatory architectures. (A) For Hb in the gap gene network, the E0 error of each possible input set is plotted on the y-axis, with the size of the input set on the x-axis. (B) A similar plot for SWI5 in the IRMA network, and (C) for gene G1 in the sparse network S1 generated by the GeneNetWeaver software. (D-I) Statistics on regulatory network accuracy using the best input combination of each size (colors dark blue through dark red indicate zero inputs through all possible inputs). For definitions of CF, PPV, Sens and CSF, see text or Figure 2 caption.