Vegetation Imaging Spectroscopy Analyzer


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Documentation for package ‘visa’ version 1.0.0

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as.specdf Create a SpectraDataframe
as.spectra Create a Spectra or SpectraLibrary
as.spectra.dataframe Create a SpectraDataframe
as.spectra.library Create a Spectra or SpectraLibrary
as.spectra.matrix Class 'SpectraMatrix'
cm.nsr Selecting the best 2-Band combinations for Normalized Simple Ratio (NSR)
cm.rbd3 Calculate 3-Band Correlation Array for Spectral Data correlating with another variable x
cm.sr Selecting the best 2-Band combinations for Simple Ratio (SR)
Data-speclib, Example data in the Spectra/SpectraLibrary format.
Data-Spectra Example data in the Spectra/SpectraLibrary format.
Data-Spectra.Dataframe Example data in the Spectra.Dataframe format
Data-SpectraLibrary, Example data in the Spectra/SpectraLibrary format.
find.bestBands Find Best Band Combinations
ggplot-method Plot functions
ggplot.cm Create a ggplot Plot from Correlation Coefficients (Deprecated)
ggplot.lmfit Plot functions
ggplot.spectra Create a new ggplot plot with a geom_line() layer from spectra data
lm.nsr Calculate Normalized Simple Ratio (NSR) index.
lm.sr Calculate Simple Ratio (SR).
ndvi2 Calculate and plot a 2-band NDVI.
NSpec.DF Example data in the Spectra.Dataframe format
NSpec.Lib Example data in the Spectra/SpectraLibrary format.
nsr Calculate Normalized Simple Ratio (NSR) index.
plt.2dcm Create a ggplot Plot from a 2D Correlation Matrix
plt.3dcm_best Create a 3D Slice Plot of Correlation Array
speclib Class 'SpectraLibrary'
Spectra Create a Spectra or SpectraLibrary
spectra Access the spectra data of 'SpectraLibrary'.
Spectra,Spectra-class Create a Spectra or SpectraLibrary
Spectra-class Create a Spectra or SpectraLibrary
spectra-method Access the spectra data of 'SpectraLibrary'.
spectra.dataframe Class 'SpectraDataframe'
spectra.maxtrix Class 'SpectraMatrix'
SpectraDataframe, Class 'SpectraDataframe'
SpectraDataframe-class Class 'SpectraDataframe'
SpectraLibrary-class Class 'SpectraLibrary'
SpectraLibrary-class,spectra.library, Class 'SpectraLibrary'
SpectraMatrix-class Class 'SpectraMatrix'
SpectraMatrix-class, Class 'SpectraMatrix'
sr Calculate Simple Ratio (SR).
wavelength Retrieve Wavelength Information from Spectra Objects
wavelength-method Retrieve Wavelength Information from Spectra Objects
wavlen Retrieve Wavelength Information from Spectra Objects