coef.xtune              Extract model coefficients from fitted 'xtune'
                        object
diet                    Simulated diet data to predict weight loss
estimateVariance        Estimate noise variance given predictor X and
                        response Y.
example                 An simulated example dataset
gene                    Simulated gene data to predict weight loss
misclassification       Calculate misclassification error
mse                     Calculate mean square error
predict.xtune           Model predictions based on fitted 'xtune'
                        object
xtune                   Tuning differential shrinkage parameters in
                        penalized regression based on external
                        information.
xtune.control           Control function for xtune fitting
