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. 2012 Jul 16;7(7):e40337. doi: 10.1371/journal.pone.0040337

Table 3. Summary out in-degree scaling analysis.

Colony Slope1 SE R squared P-value
1 −1.589522 0.95259 0.258183 0.1337
2 −2.390163 0.4221644 0.8423322 0.0013
3 −1.27468 0.9519083 0.1831009 0.2173
4 −2.434398 0.335663 0.8976089 0.0003
5 −1.105925 1.0091694 0.1305242 0.305
6 −2.685515 0.3487973 0.936789 0.0015
7 −1.742611 0.3006386 0.8936109 0.0044
8 −1.849658 0.3015067 0.8827247 0.0017
9 −1.957485 0.2508555 0.9383577 0.0015
10 −1.838498 0.2517909 0.8555716 0
11 −2.018978 0.4390072 0.7790092 0.0037
12 −2.344854 0.4034605 0.8491615 0.0011

(2) This is the OLS-estimated slope for the relationship describing how the number of nodes with a given number of in-degree edges scales with in-degree. The data (x) were transformed prior to regression according to log10(x+1). The absolute value of the slope is an estimate for the degree distribution power law exponent (alpha).