Table 1 The relationship between probability of occurrence of false presences (A) and false absences (B) and a set of uncorrelated environmental covariates.
β | SE | z | p | |
|---|---|---|---|---|
(A) False presence | ||||
Intercept | − 1.767 | 0.133 | 13.26 | < 0.001 |
Cloud cover | − 0.005 | 0.001 | 3.63 | < 0.001 |
Temperature | 0.028 | 0.011 | 2.50 | 0.013 |
Wind speed | 0.020 | 0.018 | 1.09 | 0.276 |
Substrate (un-ploughed) | − 0.199 | 0.089 | 2.24 | 0.025 |
Drone height (25 m) | − 0.053 | 0.087 | 0.61 | 0.542 |
(B) False absence | ||||
Intercept | − 0.867 | 0.737 | 1.18 | 0.240 |
Cloud cover | − 0.002 | 0.007 | 0.31 | 0.759 |
Temperature | − 0.098 | 0.062 | 1.58 | 0.113 |
Substrate (un-ploughed) | − 0.453 | 0.392 | 1.15 | 0.250 |
Drone height (25 m) | 0.974 | 0.460 | 2.12 | 0.035 |