Table 2.
Parameters for the power-law distribution (b, k) for (A) HGT vine widths (Fig. 1) and (B) the connectivity of the network (Fig. 2), according to the four methods used
|
|
y = a * xk; where a = exp(b) = eb |
||||
|---|---|---|---|---|---|
| Method |
b |
K |
R2 |
||
| A | |||||
| Average ortholog similarity | 11.8 | —2.88 | 0.95 | ||
| Gene content | 11.8 | —2.93 | 0.96 | ||
| Genome conservation | 11.7 | —2.84 | 0.94 | ||
| STRING | 9.9 | —2.68 | 0.95 | ||
| B | |||||
| Average ortholog similarity | 6.7 | —1.93 | 0.68 | ||
| Gene content | 7.4 | —2.25 | 0.77 | ||
| Genome conservation | 5.8 | —1.54 | 0.72 | ||
| STRING
|
6.0
|
—2.55
|
0.83
|
||
-
Goodness-of-fit is expressed as the coefficient of determination (R2) defined as R2 = 1–SSE/SSM, where SSE is the sum of squared errors, and SSM is the sum of squares around the mean.
