Table 9 Model selection for the relationship between seed production estimated with image quadrats IQ and the reference ground quadrats (GQ) method. AIC and log likelihood were used to select the best model (in italics)
Model | Variables | R-squared | df | AIC | LogLik | Pr(>Chisq) |
|---|---|---|---|---|---|---|
LM | GQ | 0.958 | 3 | 1121.83 | − 557.91 |  |
LM | GQ + species | 0.957 | 5 | 1125.28 | − 557.64 | 0.762 |
LM | GQ* species | 0.958 | 7 | 1125.77 | − 555.88 | 0.172 |
LM | GQ + month | 0.958 | 4 | 1123.23 | − 557.61 | 0.325 |
LM | GQ* month | 0.958 | 5 | 1124.84 | − 557.42 | 0.535 |
LM | GQ + month + species | 0.958 | 6 | 1132.86 | − 556.91 | 0.312 |