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Title: Making sense of contingency tables in archaeology : the aid of correspondence analysis to intra-site activity areas research
Authors: Alberti, Gianmarco
Keywords: Correspondence analysis (Statistics)
Contingency tables
Multivariate analysis
Issue Date: 2013
Publisher: Columbia University. Department of Statistics
Citation: Alberti, G. (2013). Making sense of contingency tables in archaeology: The aid of correspondence analysis to intra-site activity areas research. Journal of Data Science, 11(3), 479-499.
Abstract: The use of contingency tables is widespread in archaeology. Cross- tabulations are used in many different studies as a useful tool to syntheti- cally report data, and are also useful when analyst wishes to seek for latent data structures. The latter case is when Correspondence Analysis (CA) comes into play. By graphically displaying the dependence between rows and columns, CA enables the analyst to explore the data in search of a meaningful inner structure. The article aims to show the utility of CA in archaeology in general and, in particular, for the identification of areas de- voted to different activities within settlements. The application of CA to the data from a prehistoric village in north-eastern Sicily (P. Milazzese at Panarea, Aeolian Islands-Italy), taken as a case study, allows to show how CA succeeds in pinpointing different activity areas and in providing grounds to open new avenues of inquiry into other aspects of the archaeological documentation.
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