Research Article
Quality Assessment of Pedochemical Data Using Extreme Value Methodology
Fund for Scientific Research-Flanders, Department of Applied Economics, R. U. Leuven, Naamsestraat 69, B-3000 Leuven and University Center for Statistics, K.U. Leuven, de Croylaan 54, B-3001 Heverlee, Belgium
Viviane Planchon
Gembloux Agricultural Research Center, Biometrics Unit, Data management and Agrometeorology, Ministry of Middle Classes and Agriculture, Rue de Liroux 9, B-5030 Gembloux, Belgium
Jan Beirlant
Department of Mathematics, K.U. Leuven, Celestijnenlaan 200B B-3001 Heverlee, Belgium
Robert Oger
Gembloux Agricultural Research Center, Biometrics Unit, Data management and Agrometeorology, Ministry of Middle Classes and Agriculture, Rue de Liroux 9, B-5030 Gembloux, Belgium