Table 2. The ten models with the highest R2 and lowest AICc arranged by AIC weights (AICw).
UNADJUSTED MODEL: Variables in the ten best models | |||||||||||
# Variables | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 5 | |
R2 | 0.96 | 0.96 | 0.96 | 0.96 | 0.94 | 0.95 | 0.95 | 0.95 | 0.95 | 0.96 | |
AICc | 260.6 | 260.6 | 260.6 | 261.2 | 262.2 | 263.0 | 263.7 | 263.8 | 263.9 | 263.9 | |
AICw | 0.192 | 0.189 | 0.187 | 0.140 | 0.084 | 0.057 | 0.040 | 0.038 | 0.037 | 0.037 | T |
# Geo class | x | x | x | x | x | X | x | x | x | x | 10 |
Calcareous | x | x | x | x | x | X | x | x | x | 9 | |
Latitude | x | x | x | x | 4 | ||||||
Max Elev. | x | x | X | x | 4 | ||||||
Elev. Range | x | x | x | 3 | |||||||
Mean Temp | x | x | x | 3 | |||||||
Ave of Coldest | X | x | x | 3 | |||||||
Acid shale | x | x | 2 | ||||||||
Min of coldest | x | 1 | |||||||||
Granite | x | 1 |
The unadjusted model included area as a possible variable. In the residual model, species diversity explained by area was first factored out of the model.