Materials S1 - Estimation of Global Network Statistics from Incomplete Data

Supporting figures and tables. Derivation of Equation (2). Figure S1: Scaling of statistics for simulated subnetworks induced on sampled nodes. Figure S2: Scaling of statistics for empirical subnetworks induced on sampled nodes. Figure S3: CCDF distortion for subnetworks induced on sampled nodes. Figure S4: Predicted CCDF from subnetworks induced on sampled nodes. Figure S5: Scaling of subnetwork statistics for simulated networks obtained by failing links. Figure S6: Scaling of subnetwork statistics for empirical networks obtained by failing. Figure S7: CCDF distortion for subnetworks obtained by failing links. Figure S8: Predicted CCDF from subnetworks obtained by failing links. Figure S9: Scaling of subnetwork statistics for simulated networks induced on sampled links. Figure S10: Scaling of subnetwork statistics for empirical networks induced on sampled links. Figure S11: CCDF distortion for subnetworks induced on sampled links. Figure S12: Predicted CCDF from subnetworks induced on sampled links. Figure S13: Scaling of subnetwork statistics for simulated networks induced on sampled interactions. Figure S14: Predicted node strength distribution for weighted, simulated networks. Figure S15: Predicted degree distribution for weighted, simulated networks. Figure S16: Kolmogorov-Smirnov two sample test for true CDF and predicted CDF from subnetworks induced on sampled nodes. Figure S17: Kolmogorov-Smirnov two sample test for true CDF and predicted CDF from subnetworks obtained by failing links. Figure S18: Kolmogorov-Smirnov two sample test for true CDF and predicted CDF from subnetworks generated by sampled links. Table S1: Error in when sampling by nodes. Table S2: Error in when sampling by nodes. Table S3: Error in when sampling by nodes. Table S4: Error in when sampling by nodes. Table S5: Error in when sampling by nodes. Table S6: Error in when failing links. Table S7: Error in when failing links. Table S8: Error in when failing links. Table S9: Error in when failing links. Table S10: Error in when failing links. Table S11: Error in when sampling by links. Table S12: Error in when sampling by links. Table S13: Error in when sampling by links. Table S14: Error in when sampling by links. Table S15: Error in when sampling by links. Table S16: Error in when sampling by interactions in an Erdös-Rényi random graph. Table S17: Error in when sampling interactions in a Scale-free weighted network. Table S18: Error in when sampling by interactions in an Erdös-Rényi random graph. Table S19: Error in when sampling interactions in a Scale-free weighted network. Table S20: Error in when sampling by interactions in an Erdös-Rényi random graph. Table S21: Error in when sampling interactions in a Scale-free weighted network. Table S22: Error in when sampling by interactions in an Erdös-Rényi random graph. Table S23: Error in when sampling interactions in a Scale-free weighted network. Table S24: Number of messages from September 2008-November 2009.
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