Deletion/Substitution/Addition (DSA) model selection algorithm applied to the study of archaeological settlement patterning |
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| Authors: | Ricardo Fernandes Geert Geeven Steven Soetens Vera Klontza-Jaklova |
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| Affiliation: | 1. Leibniz-Laboratory for Radiometric Dating and Isotope Research, Christian-Albrechts-Universität, Kiel, Germany;2. Graduate School “Human Development in Landscapes”, Christian-Albrechts-Universität, Kiel, Germany;3. Department of Mathematics, Faculty of Sciences, Vrije Universiteit, Amsterdam, The Netherlands;4. Institute for Geo- and Bioarchaeology (IGBA), Vrije Universiteit, Amsterdam, The Netherlands;5. IIHS Priniatikos Pyrgos Project, Crete, INSTAP-EC, Pacheia Ammos, Crete, Greece |
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| Abstract: | This paper introduces GIS-based statistical methods for the study of settlement patterning in an archaeological context. The main aspect is an improvement over suboptimal stepwise statistical model selection procedures, with the introduction of a Deletion/Substitution/Addition (DSA) algorithm, a systematic model selection algorithm that provides an optimal model choice. The paper also introduces the combined use of Receiving Operator Characteristic (ROC) curves, and variable ranking as key tools aimed at an understanding of settlement patterning causation. An illustrative case study is provided whereby both a purely environmental and a mixed environmental/historical model (based on settlement hierarchy considerations) are investigated. |
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| Keywords: | Archaeological predictive modelling Logistic regression DSA algorithm ROC curves Variable ranking |
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