Precisions of GRNs inferred by SSM and DBN from synthetic Ecoli and Yeast datasets, respectively. 'Random' means using random guess. 'm = 1' means that the number of hidden variables is set to 1 in SSM. 'm = 2,..., 5' have similar meanings. The first and second halves of figure 2 are for Ecoli and Yeast datasets, respectively.