CorrelatedDesignMatrix
                        Create a design matrix of categorical variables
                        with correlated columns.
UniformDesignMatrix     Create a design matrix of categorical
                        variables.
predict.scope           Computes SCOPE predictions
predict.scope.logistic
                        Computes SCOPE logistic predictions
scope                   Compute solution for SCOPE linear models.
scope.logistic          Computes solution for SCOPE logistic models
