Table 1. Stepwise linear regressions to test for climatological correlates of fruit availability in Betampona, Madagascar (A, B) and Kibale, Uganda (C,D).
| A. Betampona, Model 11 | Coefficient | Standard error | T-value | P-value |
|---|---|---|---|---|
| Total rainfall | 1.39*10−5 | 1.71*10−5 | 0.816 | 0.4238 |
| Average humidity | -2.59*10−4 | 1.13*10−3 | -0.230 | 0.8205 |
| Average temperature | 0.0025 | 1.30*10−3 | 1.958 | 0.0643 |
| B. Betampona, Model 22 | ||||
| Average temperature | 2.97*10−3 | 8.817*10−4 | 3.372 | 0.0028 |
| C. Kibale, Model 33 | ||||
| Average temperature | 7.31*10−3 | 3.80*10−3 | 1.950 | 0.0530 |
| Average rain | -7.70*10−4 | 1.00 *10−2 | -0.750 | 0.4600 |
| Average solar radiation | 5.6*10−4 | 2.00 *10−4 | 2.950 | 0.004 |
| D. Kibale, Model 44 | ||||
| Average temperature | 7.491*10−3 | 3.74*10−3 | 2.002 | 0.0470 |
| Average solar radiation | 6.082*10−4 | 7.53*10−4 | 3.469 | 0.0007 |
1Stepwise regression: direction = both; R2 = 0.37, F = 3.85, on 3 and 20 df, p-value 0.025
2Significant predictor variable from Model 1: R2 = 0.34, F = 11.37, on 1 and 22 df, p-value 0.0027)
3Stepwise regression (direction = both, R2 = 0.14, F = 8.33, on 3 and 154 df, p-value 3.59E-05)
4 Significant predictor variables from Model 3 (R2 = 0.14, F = 12.26, on 2 and 155 df, p-value 1.142E-05)