A tool for measuring spatial stratified heterogeneity and spatial associations of geographical attributes
Spatial Stratified Heterogeneity (SSH) refers to the phenomena that the within strata are more similar than the between strata.Examples are land-use types and climate zones in spatial data. Geographical detector is a statistical tool to measure SSH and to make attribution for/by SSH; (1) measure and find SSH among data; (2) test the coupling between two variables Y and X and (3) investigate interaction between two explanatory variables X1 and X2 to a response variable Y.
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