Abstract
Point pattern analysis is concerned with characterizing a spatial point process. A bivariate point process is one that generates points that are marked with binary values. There exists of dearth of methods for the spatial-analysis of non-numerical marked point pattern data, while these forms of data are increasingly common as a result of volunteered geographic information and geographically-indexed social media data. This paper highlights the problem of bivariate point clustering. A new method based on Delaunay triangulation is presented. Simulation studies are carried out to compare the new approach to existing methods. A case study examines clustering of antimicrobial resistance in Sri Lankan shrimp farms to illustrate the strengths and weaknesses of the method.
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Robertson, C., Roberts, S. (2013). Bivariate Spatial Clustering Analysis of Point Patterns: A Graph-Based Approach. In: Murgante, B., et al. Computational Science and Its Applications – ICCSA 2013. ICCSA 2013. Lecture Notes in Computer Science, vol 7974. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-39649-6_29
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DOI: https://doi.org/10.1007/978-3-642-39649-6_29
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