Multiobjective evolutionary algorithms to identify highly autocorrelated areas: the case of spatial distribution in financially compromised farms

Carlos García-Alonso (), Leonor Pérez-Naranjo () and Juan Fernández-Caballero ()

Annals of Operations Research, 2014, vol. 219, issue 1, 187-202

Abstract: Local Indicators of Spatial Aggregation (LISA) can be used as objectives in a multicriteria framework when highly autocorrelated areas (hot-spots) must be identified and geographically located in complex areas. To do so, a Multi-Objective Evolutionary Algorithm (MOEA) based on SPEA2 (Strength Pareto Evolutionary Algorithm v.2) has been designed to evaluate three different fitness functions (fine-grained strength, the weighted sum of objectives and fuzzy evaluation of weighted objectives) and three LISA methods. MOEA makes it possible to achieve a compromise between spatial econometric methods as it highlights areas where a specific phenomenon shows significantly high autocorrelation. The spatial distribution of financially compromised olive-tree farms in Andalusia (Spain) was selected for analysis and two fuzzy hot-spots were statistically identified and spatially located. Hot-spots can be considered to be spatial fuzzy sets where the spatial units have a membership degree that can also be calculated. Copyright Springer Science+Business Media, LLC 2014

Keywords: Multiobjective evolutionary algorithms; Spatial analysis; Local indicators of spatial aggregation; Fuzzy hot-spots; Financially compromised areas (search for similar items in EconPapers)
Date: 2014
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DOI: 10.1007/s10479-011-0841-3

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