Function reference • hyperSpec.utils

All functions
`aggregate_wl()`	Aggregate wavelengths
`als()`	Spectral unmixing: Alternating least squares multivariate curve resolution (MCR-ALS)
`crr()`	Cosmic ray removal
`cubeview()`	cubeview for hyperSpec objects
`diff(<hyperSpec>)`	differences on hyperSpec spectra (S4 method)
`ica()`	Spectral unmixing: Independent Component Analysis (ICA)
`integrate_rectangular()`	Rectangular (midpoint) integration
`integrate_trapezoid()`	Trapezoid integration
`integrate_wl()`	Integrate over wavelengths
`is_hyperSpec()` `is_hyperSpecMap()`	Test if the object is of class hyperSpec
`is_wl_equidistant()`	Test if the wavelength vector of a hyperSpec object is equally spaced
`is_wl_ordered()`	Test if the wavelength vector of a hyperSpec object is in order (ascending)
`linear_combination()`	Spectral mixture analysis: Linear combination of spectra
`nmf()`	Spectral unmixing: Nonnegative matrix factorization (NMF)
`minmax_normalization()` `snv_normalization()` `vector_normalization()` `area_normalization()` `band_normalization()`	Normalization
`omp()`	Spectral mixture analysis: Orthogonal Matching Pursuit (OMP)
`opa()`	Orthogonal Projection Approach
`plotmap_viridis()`	Plotmap using viridis
`plotspc_rev()`	Plotting Spectra
`read_opus()`	Read Bruker OPUS binary files
`read_opus_single()`	Import a single Bruker OPUS binary file
`spatial_ac()`	Spatial autcorrelation
`spcmap2array()`	hyperSpec map to array
`spcmap_dim()`	Dimensions of a hyperSpec map
`spcmap_explorer()`	Interactive spectral map explorer
`spectral_ac()`	Spectral autocorrelation
`vca()`	Spectral unmixing: Vertex component analysis (VCA)
`write.txt.Witec.Graph()`	Export to Witec ASCII Graph format
`write_jdx()`	Write to file in JCAMP-DX format

Reference

All functions