10.1371/journal.pone.0012337.g004 Brendan P. Flynn Brendan P. Flynn Amit P. Bhole Amit P. Bhole Nima Saeidi Nima Saeidi Melody Liles Melody Liles Charles A. DiMarzio Charles A. DiMarzio Jeffrey W. Ruberti Jeffrey W. Ruberti P-value for degradation end time vs. R<sub>I</sub> for total edge intensity (o) and directional edge intensity (+). Public Library of Science 2010 degradation directional 2010-08-23 01:19:38 Figure https://plos.figshare.com/articles/figure/_P_value_for_degradation_end_time_vs_R_I_for_total_edge_intensity_o_and_directional_edge_intensity_/504778 <p>Note the differences between total and directional edge intensity methods. While both methods show significance (p<0.05) over a large range of R<sub>I</sub>, the total edge intensity is statistically different over almost the entire regime [.19, .81], while directional edge intensity is statistically different over the range from [.12, .53].</p>