In chemistry, instruments like NIR, Raman, and NMR spectrometers generate massive spectral curves for every sample. Chemometicians use the PLS Toolbox to map these complex spectral wavelengths directly to chemical concentrations, eliminating the need for slow, destructive wet-chemical testing. Process Analytical Technology (PAT)
Choosing the correct number of Latent Variables is critical. Selecting too few leads to an underfitted model, while selecting too many models random noise (overfitting). The PLS Toolbox provides automated tools. You evaluate plots comparing the Root Mean Square Error of Calibration (RMSEC) against the Root Mean Square Error of Cross-Validation (RMSECV) to find the inflection point where the error minimizes without overfitting. Step 5: Independent Testing and Prediction matlab pls toolbox
For process analytical technology (PAT) and quality control. In chemistry, instruments like NIR, Raman, and NMR