Supplement 2. Simplified R script file illustrating the calibration of the dry spectra PLSR models and associated uncertainty analysis.

File List PLSR_Modeling.R (md5: 5d2d52dc59ca769a02d54b1b94cf6f40) Description PLSR_Modeling.R contains example R code illustrating the initial calibration of the partial least-squares regression (PLSR) models as well as the associated model validation and uncertainty analyses.文件列表：PLSR_Modeling.R（MD5值：5d2d52dc59ca769a02d54b1b94cf6f40） 说明：PLSR_Modeling.R 包含示例R代码，用于演示偏最小二乘回归（partial least-squares regression，PLSR）模型的初始校准，以及相关的模型验证与不确定性分析。