@article{article9e89243f, title = {Estimation of effective calibration sample size using visible near infrared spectroscopy: deep learning vs machine learning}, author = {Ng, Wartini and Minasny, Budiman and Mendes, Wanderson de Sousa and Dematte, Jose Alexandre Melo}, year = {2020}, doi = {10.5194/soil-2019-48}, journal = {Soil Discussions} }