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Illustration de profils squelettiques et représentation de données statistiques automatisées via un SIG (logiciel QGIS)

Abstract : Use of digitized animal skeletal drawings to illustrate representation of skeletal parts of a given species has become common in archaeology, whether in terms of presence or absence, quantity (proportional circles) or percentage (e.g. density). Automatic quantification of these various representation models is made possible through the use of a geographical information system (GIS). In this context, it’s not the geolocation functionality that will interest us here but the possibility of introducing a dynamic link between plan projection of skeletal profiles and recording systems such as spreadsheets or databases. Statistical analyses and representations can thus be based on archived inventories. These analyses can be automated, reliable and graphically consistent, depending on dataset studied. Implementation time, which is longer than for a traditional recording, is very largely compensated by the significant time saved in data processing. Moreover, these models can be immediately reused by any archaeozoologist and for subsequent studies. Choice of percentage classes made in computer-aided design (CAD) implies additional calculations (correction of value classes) to be statistically reliable. By converting each skeletal part into a graphical entity in the GIS software, relationships (joins) can be established with data tables and their filling automatically generated. In addition, these integrated statistical tools directly calculate the value classes to be applied, depending on present dataset. This project to use a GIS, with the open source software QGIS, offers the opportunity to simplify and systematise all these working steps.
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Submitted on : Thursday, January 7, 2021 - 3:44:08 PM
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Céline Bemilli, Emeline Le Goff, Michel Coutureau. Illustration de profils squelettiques et représentation de données statistiques automatisées via un SIG (logiciel QGIS). Carine Carpentier; Rose-Marie Arbogast; Philippe Kuchler. Bioarchéologie : minimums méthodologiques, référentiels communs et nouvelles approches : Actes du 4e séminaire scientifique et technique de l’Inrap, 28-29 nov. 2019, Sélestat, 7 p., 2020, ⟨10.34692/2yx4-eq45⟩. ⟨hal-03102525⟩



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