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Paired one-sided DeLong test to compare the AROC values of the four models
| Test name | z-statistic | p-value |
|---|---|---|
| GBM vs. Logistic Regression | 1.392 | 0.081 |
| GBM vs. Random Forest | 3.885 | 5.13e-05 |
| GBM vs. Rpart | 8.914 | 2.20e-16 |
| Logistic Regression vs. Random Forest | 2.038 | 0.021 |
| Logistic Regression vs. Rpart | 8.006 | 5.95e-16 |
| Random Forest vs. Rpart | 7.028 | 1.05e-12 |
