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Activity Number: 490
Type: Invited
Date/Time: Thursday, August 10, 2006 : 8:30 AM to 10:20 AM
Sponsor: Section on Statistical Graphics
Abstract - #304956
Title: GeoXp: an R Package for Interactive Exploratory Spatial Data Analysis
Author(s): Anne Ruiz-Gazen*+ and Christine Thomas-Agnan
Companies: University Toulouse I and University of Toulouse
Address: Gremaq, 21, allee de Brienne, Toulouse, 31042, France
Keywords: spatial exploratory data analysis ; R package ; spatial econometrics and statistics ; interactive graphical tools
Abstract:

GeoXp is a tool for researchers and experienced users in spatial statistics, spatial econometrics, geography, ecology, epidemiology, etc allowing to link dynamically statistical plots with elementary maps. GeoXp includes tools from different areas of spatial statistics including geostatistics as well as spatial econometrics. Besides elementary plots like boxplots, histograms or scatterplots, GeoXp also couples maps with Moran scatterplots, variogram clouds, angle plots, neighbor plots, etc. Among the unique features of GeoXp, we will emphasize non parametric density estimators, weighted Lorentz curves and generalized principle components analysis. As an open source code, it is flexible and easily adaptable and benefits from the incredible expansion of the R environment. We illustrate the use of GeoXp with a data basis from education in the French Midi-Pyrenees region.

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