Arc_Mat: a Matlab-based spatial data analysis toolbox |
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| Authors: | Xingjian Liu James LeSage |
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| Institution: | (1) Department of Geography, Texas State University, San Marcos, 601 University Drive, San Marcos, TX 78666, USA;(2) Fields Endowed Chair in Urban and Regional Economics, Department of Finance and Economics, Texas State University, San Marcos, 601 University Drive, San Marcos, TX 78666, USA |
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| Abstract: | This article presents an overview of Arc_Mat, a Matlab-based spatial data analysis software package whose source code has
been placed in the public domain. An earlier version of the Arc_Mat toolbox was developed to extract map polygon and database
information from ESRI shapefiles and provide high quality mapping in the Matlab software environment. We discuss revisions
to the toolbox that: utilize enhanced computing and graphing capabilities of more recent versions of Matlab, restructure the
toolbox with object-oriented programming features, and provide more comprehensive functions for spatial data analysis. The
Arc_Mat toolbox functionality includes basic choropleth mapping; exploratory spatial data analysis that provides exploratory
views of spatial data through various graphs, for example, histogram, Moran scatterplot, three-dimensional scatterplot, density
distribution plot, and parallel coordinate plots; and more formal spatial data modeling that draws on the extensive Spatial
Econometrics Toolbox functions. A brief review of the design aspects of the revised Arc_Mat is described, and we provide some
illustrative examples that highlight representative uses of the toolbox. Finally, we discuss programming with and customizing
the Arc_Mat toolbox functionalities. |
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