Hoang, Huy A.; Vu, Tuyen D.; Nguyen, Thanh T. - In: International Journal of Applied Geospatial Research (IJAGR) 8 (2017) 1, pp. 81-93
Conventional variogram has been widely applied to study spatial variability of geochemical data. In case of data is not normally distributed, the conventional estimator is biased. In this study, Cressie variogram and Moran correlogram were used to identify the degree of spatial variabilty of Cu...