Figure 3, , "(a) Number of Significant Eigenflows, in Terms of the Cumulative Density Function (CDF) of the Number of Entries in Each Row of the Principal Matrix That Exceed the Threshold", Number of significant eigenflows (a),CDF of traffic flows 1,0.007142857 1,0.014285714 1,0.021428571 1,0.028571429 1,0.035714286 1,0.042857143 1,0.05 2,0.057142857 4,0.064285714 5,0.071428571 5,0.078571429 5,0.085714286 6,0.092857143 6,0.1 6,0.107142857 6,0.114285714 6,0.121428571 7,0.128571429 7,0.135714286 8,0.142857143 9,0.15 9,0.157142857 9,0.164285714 10,0.171428571 12,0.178571429 12,0.185714286 13,0.192857143 13,0.2 13,0.207142857 13,0.214285714 13,0.221428571 13,0.228571429 13,0.235714286 14,0.242857143 14,0.25 14,0.257142857 14,0.264285714 15,0.271428571 15,0.278571429 16,0.285714286 16,0.292857143 17,0.3 18,0.307142857 19,0.314285714 22,0.321428571 22,0.328571429 23,0.335714286 23,0.342857143 23,0.35 23,0.357142857 23,0.364285714 24,0.371428571 24,0.378571429 26,0.385714286 26,0.392857143 27,0.4 27,0.407142857 27,0.414285714 27,0.421428571 28,0.428571429 28,0.435714286 28,0.442857143 28,0.45 28,0.457142857 28,0.464285714 28,0.471428571 28,0.478571429 29,0.485714286 29,0.492857143 29,0.5 29,0.507142857 29,0.514285714 29,0.521428571 30,0.528571429 30,0.535714286 30,0.542857143 30,0.55 30,0.557142857 30,0.564285714 30,0.571428571 30,0.578571429 30,0.585714286 31,0.592857143 31,0.6 31,0.607142857 32,0.614285714 32,0.621428571 32,0.628571429 32,0.635714286 33,0.642857143 33,0.65 34,0.657142857 34,0.664285714 34,0.671428571 34,0.678571429 34,0.685714286 34,0.692857143 34,0.7 34,0.707142857 35,0.714285714 35,0.721428571 35,0.728571429 35,0.735714286 35,0.742857143 35,0.75 35,0.757142857 35,0.764285714 35,0.771428571 36,0.778571429 36,0.785714286 36,0.792857143 36,0.8 36,0.807142857 36,0.814285714 36,0.821428571 36,0.828571429 36,0.835714286 37,0.842857143 37,0.85 37,0.857142857 37,0.864285714 37,0.871428571 37,0.878571429 37,0.885714286 37,0.892857143 37,0.9 38,0.907142857 38,0.914285714 38,0.921428571 39,0.928571429 39,0.935714286 40,0.942857143 40,0.95 41,0.957142857 41,0.964285714 41,0.971428571 42,0.978571429 42,0.985714286 43,0.992857143 44,1 (b) Histogram of Significant Eigenflows, Class intervals of significant eigenflows (b),Frequency 5,29 10,26 15,25 20,15 25,12 30,12 35,9 40,7 45,5