The joint modeling of longitudinal and survival data has received remarkable attention in the methodological literature over the past decade; however, the availability of software to implement the methods lags behind. The most common form of joint model assumes that the association between the...

We propose a data-driven procedure for modeling covariance matrices in linear mixed-effects models with minimal distributional assumption on the random effects. It is based on elimination of the random effects using a transformation of the response variable. The approach makes it possible for...

Young people have been hit hard by unemployment during the Irish recession. While much research has been undertaken to study the effects of the recession on overall labour market dynamics, little is known about the specific effects on youth unemployment and the associated challenges. This paper...