A statistical approximation of common Roman ceramics from the Isturgi deposits (Andújar, Andalusia)

M. Victoria Peinado Espinosa, José Antonio Esquivel, Pablo Ruíz Montes, Bashar Mustafa, Maria Isabel Fernández García

«Archeologia e Calcolatori» 2017, 28.1, 61-72; doi: 10.19282/AC.28.1.2017.04

Abstract

Common ceramics constitute a very abundant material in the archaeological record. This study focuses on analyzing and statistically interpreting, from the perspective of archaeological material culture, the features of Roman coarse-ware ceramics from the Isturgi deposits (Andújar, Andalusia). The main goal of this research was to study ceramics from an archaeological perspective with reference to quantitative and qualitative aspects. The fragments of pottery belong to three essential types - kitchenware, tableware, and pottery for storage and transportation - and have different characteristics. The data set consists of 3,626 fragments of ceramics of Roman origin, divided in three clearly differentiated groups: 1) common calcareous ceramics, b) oxidized kitchen ceramics, and 3) reduced kitchen ceramics, having a very different quantity of fragments (1,635; 1,714; and 277, respectively) distributed in 16 excavation zones. The analysis of the information has been carried out on the basis of univariate methods, analysis of correlation and regression, analysis of the variance (ANOVA) and multivariate factorial analysis (Factorial Analysis with Varimax Rotation mainly). In this form it is possible to characterize ceramics on the basis of whether they were fired in an oxidizing or a reducing atmosphere.

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