Comparing distributions of experimental and random diffusion values (p-values for KS tests) Seeds Recipients Randomize Seeds (degree-matched) Randomize Recipients (degree-matched) Randomize Seeds (uniform) Randomize Recipients (uniform) GeneGroup1 GeneGroup2 4.49e-01 8.04e-01 8.10e-01 3.39e-02 GeneGroup2 GeneGroup1 2.25e-01 7.44e-01 4.26e-01 9.31e-01 Evaluating how well GeneGroup1 genes are linked to GeneGroup2 genes, comparing against random ROC results Seeds Recipients AUROC Z-score for Random Seeds (degree-matched) Z-score for Random Recipients (degree-matched) Z-score for Random Seeds (uniform) Z-score for Random Recipients (uniform) GeneGroup1 GeneGroup2 0.64 0.66 0.78 0.19 2.58 GeneGroup2 GeneGroup1 0.50 -0.29 0.04 -0.05 -0.01 PRC results Seeds Recipients AUPRC Z-score for Random Seeds (degree-matched) Z-score for Random Recipients (degree-matched) Z-score for Random Seeds (uniform) Z-score for Random Recipients (uniform) GeneGroup1 GeneGroup2 0.00 0.06 0.33 -0.19 0.75 GeneGroup2 GeneGroup1 0.00 -0.12 -0.16 0.04 -0.07 Z-scores are computed for the experimental area under ROC or PRC based on distributions of the random areas under these curves Seeds: Genes where diffusion signal starts FROM) Recipients: Genes that receive the diffusion signal and that are in the other validated group Random genes are selected either uniformly or degree matched Number of genes ** #Total # Mapped in the network Not mapped genes GeneGroup1 50 50 GeneGroup2 25 25