Nearest Neighbor Versus Regression Approach: Effect of Performance Measures, Calibration Set Size, and Sampling Method on Soil Organic Carbon Prediction Using VNIR Lab Spectroscopy. - Chirag Rajendra Ternikar; Cécile Gomez; Debsunder Dutta; Dasika Nagesh Kumar (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2025)