Table 2 Final Model Performance of Logistic and Machine Learning Models Before and After Vaccine Availability
Model Type | Before Vaccine Availability Mar 7, 2020 – Dec 31, 2020 (n = 11,291) | After Vaccine Availability Jan 1, 2021– July 31, 2021 (n = 3686) |
|---|---|---|
Logistic Regression | 0.670 | 0.670 |
Lasso Regression | 0.664 | 0.664 |
Random Forest | 0.662 | 0.663 |
Classification and Regression Tree (CART) | 0.641 | 0.646 |
Gradient Boosted Trees | 0.672 | 0.670 |