Combining different pre-processing and multivariate methods for prediction of soil organic matter by near infrared spectroscopy (NIRS) in Southern Brazil
Jacques K. Carvalho, Jean Michel Moura-Bueno, Rafael Ramon, Tauana F. Almeida, Gabriela Naibo, Amanda Posselt Martins, Lenio S. Santos, Clésio Gianello, Tales Tiecher
Topics & Concepts
Multivariate statisticsPartial least squares regressionPrincipal component analysisSoil organic matterMean squared errorCoefficient of determinationSmoothingPrincipal component regressionMathematicsSoil testCorrelation coefficientEnvironmental scienceSoil scienceStatisticsSoil waterSoil Geostatistics and MappingGeochemistry and Geologic MappingSpectroscopy and Chemometric Analyses