Description Usage Arguments Value
unmix
decomposes the spectral data to a matrix with concentrations and
a matrix with spectra of pure components using set of pure variables.
1 |
D |
matrix with the spectral data |
Dr |
a matrix with concentration estimates (e.g. columns of D with pure variables) |
by.spec |
logical, should the algorithm works with spectra (rows) or with concentrations (columns) |
Returns a list with two matrices, 'conc' for concentrations and 'spec' for spectra as well as a vector with residual variance values
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