Statistical proposals for a formal classification of Chalcolithic stone masonry passage graves with circular chamber in the Southeast of the Iberian Peninsula

Abstract

This study offers a classification of 106 megalithic stone masonry passage graves forming part of the Los Millares archaeological complex characterised by circular chambers. The study has employed a statistical method implementing the OneR, JRip and Part classification algorithms as well as multivariate analyses. The research yielded four groups: large tombs capped with flat roofs, small tombs covered by false domes, and two types of medium-large tombs capped either by flat or false-domes that can be distinguished according to the angles of their chambers walls and the presence of construction reinforcements, including the number of stone retainer rings walls serving to brace the thrust.