Dating is a key element for archaelogists. We propose a Bayesian ap- proach to provide chronology to sites that have neither radiocarbon dating nor clear stratigraphy and whose only information comes from bifacial flint arrow-heads. This classi er is based on the Dirichlet-multinomial inferential process and posterior predictive distributions. The procedure is applied to predict the period of a set of undated sites located in the east of the Iberian Peninsula during the IVth and IIIrd millennium cal. BC... [Llegir més ...]