2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/112323Prediction is a complex notion, and different predictors (such as people, computer programs, and probabilistic theories) can pursue very different goals. In this paper I will review some popular kinds of prediction and argue that the theory of competitive on-line learning can benefit from the kinds of prediction that are now foreign to it.48 pagesMachine Learningtext