Table 5.
Random Forest (RF) and Multivariate Regression Tree (MRT) model specifications for estuarine, coastal and reef intertidal and subtidal areas in the Great Barrier Reef World Heritage Area and adjacent estuaries.
| Model name | RF models | MRT models | |
|---|---|---|---|
| Number of sites | mtry | Number of sites | |
| Estuary intertidal | 4962 | 2 | 4347 |
| Estuary subtidal | 6426 | 1 | 5420 |
| Coast intertidal | 5328 | 2 | 3895 |
| Coast subtidal | 16,073 | 3 | 10,151 |
| Reef intertidal | 2569 | 2 | 1292 |
| Reef subtidal | 2695 | 2 | 1258 |
| Total | 38,053 | – | 26,363 |
Total number of sites used in each model (split between 80% for model training and 20% for testing), total sites used in each model, and the optimal number of predictor variables that were randomly selected at each node in RF models (mtry).