Man pages for visa
Vegetation Imaging Spectroscopy Analyzer

cm.nsrSelecting the best 2-Band combinations for Normalized Simple...
cm.rbd3Calculate 3-Band Correlation Array for Spectral Data...
cm.srSelecting the best 2-Band combinations for Simple Ratio (SR)
find.bestBandsFind Best Band Combinations
ggplot.cmCreate a ggplot Plot from Correlation Coefficients...
ggplot-methodPlot functions
ggplot.spectraCreate a new ggplot plot with a geom_line() layer from...
ndvi2Calculate and plot a 2-band NDVI.
NSpec.DFExample data in the Spectra.Dataframe format
NSpec.LibExample data in the Spectra/SpectraLibrary format.
nsrCalculate Normalized Simple Ratio (NSR) index.
plt.2dcmCreate a ggplot Plot from a 2D Correlation Matrix
plt.3dcm_bestCreate a 3D Slice Plot of Correlation Array
Spectra-classCreate a Spectra or SpectraLibrary
SpectraDataframeCreate a SpectraDataframe
SpectraDataframe-classClass 'SpectraDataframe'
SpectraLibrary-classClass 'SpectraLibrary'
SpectraMatrix-classClass 'SpectraMatrix'
spectra-methodsAccess the spectra data of 'SpectraLibrary'.
srCalculate Simple Ratio (SR).
visavisa: Vegetation Imaging Spectroscopy Analyzer
wavelengthRetrieve Wavelength Information from Spectra Objects
visa documentation built on April 4, 2025, 5:40 a.m.