Force variables to be included in all models #73
Description
Users should be able to specify variables which must be included in the models using the include argument and it should be available in the following procedures:
-
blr_step_p_forward() -
blr_step_aic_forward() -
blr_step_p_backward() -
blr_step_aic_backward() -
blr_step_p_both() -
blr_step_aic_both()