Table 1 Performance evaluation of BRT models for upstream and downstream movements of Iberian barbel and Iberian nase for the considered study period (2013 and 2014 combined).
From: New evidence of alternative migration patterns for two Mediterranean potamodromous species
Iberian barbel | Iberian nase | |||
|---|---|---|---|---|
Upstream | Downstream | Upstream | Downstream | |
Number of trees | 4800 | 1200 | 5550 | 3350 |
Tree complexity | 5 | 3 | 5 | 5 |
Learning rate | 0.05 | 0.05 | 0.05 | 0.01 |
Mean total deviance | 11.017 | 2.35 | 35.251 | 3.144 |
Mean residual deviance | 1.637 | 1.195 | 2.245 | 0.484 |
cv deviance | 3.905 SE = 0.421 | 1.630 SE = 0.047 | 11.979 SE = 1.683 | 2.260 SE = 0.596 |
cv correlation | 0.702 SE = 0.036 | 0.435 SE = 0.024 | 0.599 SE = 0.036 | 0.337 SE = 0.089 |
R2 | 0.85 | 0.49 | 0.94 | 0.85 |
