TABLE 2.
Summary statistics describing the topographies of both landscapes
| Statistical parametera | Value |
|
|---|---|---|
| A. thaliana | N. tabacum | |
| General statistics | ||
| No. of peaks | 2 | 4 |
| No. of sinks | 0 | 0 |
| Epistasis statistics | ||
| Mean slope-to-roughness ratio (θ) | 1.902 | 1.697 |
| Correlation between neighbors' fitness levels (ρ) | 0.119 | 0.111 |
| Frequency of multiplicative interactions | 0.013 | 0.013 |
| Frequency of magnitude epistasis | 0.662 | 0.575 |
| Frequency of sign epistasis | 0.212 | 0.188 |
| Frequency of reciprocal sign epistasis | 0.113 | 0.225 |
a
Computed using the MAGELLAN Web server (33).