We propose a novel approach to cross-sectional equities sample selection, derived from best market practice in index construction and focused on investability. Using the UK market as a template, we first demonstrate how the popular Datastream dataset is plagued by data deficiencies that would...

Latent budget analysis is a classification technique that allows clustering identification by using compositional data. This paper presents examples of how this technique deals with the unit-sum constraint by establishing an initial independence model to which subsequent models are compared in...