A new multivariate concept of quantile, based on a directional version of Koenker and Bassett's traditional regression quantiles, is introduced for multivariate location and multiple-output regression ...

We develop a small-sample criterion (AIC C) for selecting multivariate regression models. This criterion adjusts the Akaike information criterion to be an exact unbiased estimator for the expected ...

Introduction Multivariable statistical methods, such as multiple linear or logistic regression, have become widely used to analyse data in dental research.