find_covs: a function to identify covariates used in a model

find_empty is a function that identifies which variables are included in a model

find_covs(model = NULL, ...)

Arguments

model: A formiula object. If passed, the function will find empty levels for all factors in all specified models.
...: Optional arguments to find_covs (not currently used).

An object that inherits from classes covs that contains information about the covariates in a model

Alexander Breskin