Table 2 |
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| Boosted regression trees model performance | |||||||||
| Species | No. of trees | Deviance | Correlation | AUC | |||||
| Null | Residual | se | percent | Cor | se | auc | se | ||
| Sandelia | 2450 | 1.193 | 0.804 | 0.101 | 32.6% | 0.620 | 0.081 | 0.883 | 0.036 |
| Pseudobarbus | 3100 | 1.368 | 0.971 | 0.064 | 29.0% | 0.620 | 0.044 | 0.848 | 0.025 |
| Galaxias | 3200 | 1.333 | 1.203 | 0.060 | 9.8% | 0.380 | 0.065 | 0.700 | 0.040 |
Predictive performance of models for Sandelia spp., Pseudobarbus ‘Breede’ and Galaxias ‘nebula’. The final number of trees fitted, the null deviance, and cross-validated estimates and standard errors (se) of the predictive deviance, correlation, and area under the receiver operator characteristic curve (AUC) are given for the taxa
Chakona and Swartz BMC Ecology 2012 12:19 doi:10.1186/1472-6785-12-19