![]() f_scale_si scales spectral indices and predictions obtained from full-spectrum model to range from 0 to 10.f_calc_sen_si calculates all spectral indices of the form of the PSRI, to enable the wavelength sensitivity analysis.f_spc_avg averages replicate measurements.f_spc_smooth applies the Savitzky-Golay smoothing filter to raw spectra (wrapper for prospectr::SavitzkyGolay).Helper functions to remove incomplete datasets (Lots, Years, measurement series). ![]() ![]() ![]() Contentįolder Utils contains functions for the pre-processing of spectra, calculation and evaluation of spectral indices, training and evaluation of full-spectrum models, recursive feature elimination and analysis of variance.įolder Analysiscontains scripts to implement the analysis and obtain results contained in the study. Scripts build primarily on functions from the R packages prospectr, caret and tidyverse. Computationally demanding steps in the analysis are designed to run on a cluster, requiring the R-packages doParallel, future, and furrr. AuthorĪnalysis of variance is performed using the R-package asreml. This repository contains functions and analysis scripts required to reproduce results reported by Anderegg et al.
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