Table 2. Model selection statistics.
| Response variable | Model | d.f. | AICc | ΔAICc | Weight |
|---|---|---|---|---|---|
| Scolopendromorpha | ~SVL | 2 | 28.81 | 0.00 | 0.38 |
| ~Null | 1 | 28.90 | 0.09 | 0.36 | |
| ~Sex | 2 | 30.87 | 2.06 | 0.14 | |
| ~Sex + SVL | 3 | 31.10 | 2.29 | 0.12 | |
| Anura | ~Sex + SVL | 3 | 25.38 | 0.00 | 0.57 |
| ~SVL | 2 | 25.92 | 0.55 | 0.43 | |
| ~Sex | 2 | 39.15 | 13.77 | 0.00 | |
| ~Null | 1 | 40.65 | 15.28 | 0.00 | |
| Squamata | ~Sex + SVL | 3 | 16.23 | 0.00 | 0.42 |
| ~SVL | 2 | 16.94 | 0.71 | 0.30 | |
| ~Null | 1 | 18.37 | 2.14 | 0.15 | |
| ~Sex | 2 | 18.55 | 2.32 | 0.13 | |
| Mammalia | ~Sex + SVL | 3 | 28.32 | 0.00 | 0.52 |
| ~SVL | 2 | 28.50 | 0.19 | 0.48 | |
| ~Sex | 2 | 45.20 | 16.89 | 0.00 | |
| ~Null | 1 | 46.68 | 18.36 | 0.00 |
Note:
GLMs with a binomial distribution evaluating the frequency of occurrence (presence/absence) of the main taxonomic categories in the diet of Bothrops asper, as a function of the sex and SVL of the snake. Chosen models appear in bold. AICc, corrected Akaike Information Criterion.