With the advances in innovative instrumentation and various valuable applications, near-
infrared (NIR) spectroscopy has become a mature analytical technique in various fields …

Comprehensive two-dimensional gas chromatography coupled to mass spectrometry (GC×
GC-MS) has become a mature technique. GC× GC-MS can now be used to conduct large …

This study compares the application of two variable selection methods in partial least
squares regression (PLSR), the variable importance in projection (VIP) method and the …

Drought is a major abiotic stress that adversely affects the growth and productivity of plants.
Malondialdehyde (MDA), a substance produced by membrane lipids in response to reactive …

Through the remarkable progress in technology, it is getting easier and easier to generate
vast amounts of variables from a given sample. The selection of variables is imperative for …

Microbial communities in arctic–alpine soils show biogeographic patterns related to
elevation, but the effect of fine-scale heterogeneity and possibly related temperature and soil …

Wavelength (variable) selection is considered as a means of solving the curse of
dimensionality, which is an important step in multivariate calibration of near-infrared spectra …

In recent times, multi-spectral drone imagery has proved to be a useful tool for measuring
tree crop canopy structure. In this context, establishing the most appropriate flight planning …

The selection of optimal preprocessing is among the main bottlenecks in chemometric data
analysis. Preprocessing currently is a burden, since a multitude of different preprocessing …

Classification methods, ie, the chemometric strategies for predicting a qualitative response,
find many applications in the omic sciences, where often data are collected in order to …