Discriminating between the end products of the earlier Middle Stone Age sub-stages at Klasies River using biplot methodology |
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| Institution: | 1. Department of Geography and Environmental Studies, University of Stellenbosch, Private Bag X1, Matieland, 7602, South Africa;2. Department of Statistics and Actuarial Science, University of Stellenbosch, Private Bag X1, Matieland, 7602, South Africa;3. The origins of modern humans in Africa project, University of Stellenbosch, Private Bag X1, Matieland, 7602, South Africa;1. Key Research Institute of Yellow River Civilization and Sustainable Development & Collaborative Innovation Center on Yellow River Civilization Jointly Built by Henan Province and Ministry of Education, Henan University, 475001 Kaifeng, China;2. Henan Overseas Expertise Introduction Center for Discipline Innovation (Ecological Protection and Rural Revitalization along the Yellow River)/Research Center for Rural Revitalization Strategy of Henan University, 475004 Kaifeng, China;3. College of Environment and Planning/Key Laboratory of Geospatial Technology for the Middle and Lower Yellow River Regions, Ministry of Education, Henan University, 475004 Kaifeng, China;1. SERP (Seminari d''Estudis i Recerques Prehistòriques), Universitat de Barcelona, Spain;2. Département d''anthropologie, Université de Montréal, Canada;3. Departamento de Geografia, Prehistoria y Arqueologia, Euskal Herriko Unibertsitatea (UPV/EHU), Spain |
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| Abstract: | The difference between the culture-stratigraphic entities, the MSA I and MSA II, in the Klasies River sequence is explored by statistical analysis of the end products. Technological analysis of the cores, end products and waste products suggested that the MSA I and MSA II represent distinct technological traditions aimed at producing different end products. To quantify the difference between the end products, points and blades, extensive univariate and multivariate statistical analyses of continuous variables have been undertaken. Biplot methodology is adopted for enhancing the statistical analysis. Canonical variate analysis biplots are constructed and alpha-bags added for visual displays of the overlap and separation among the different groups. It is demonstrated that the platform thickness relative to length is useful in discriminating between the end products of the MSA I and MSA II. Statistical analyses support a clear distinction between the MSA I and MSA II. |
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