| BACKWARD_EXPOSURE | Performs deviance-based backwards variable selection in logistic regression with an exposure. |
| FORWARD_EXPOSURE | Performs deviance-based forwards variable selection in logistic regression with an exposure |
| LIKE | Obtains likelihood |
| MCMC_LOGIT_KEEP | Obtains posterior samples from an MCMC algorithm to perform variable selection. |
| STEPWISE_EXPOSURE | Performs deviance-based stepwise variable selection in logistic regression with an exposure |