Separates a Spectra* object into a calibration and a validation set.
Separates a Spectra* object into a calibration and a validation set.
## S4 method for signature 'Spectra' separate(obj, calibration)
obj |
an object inheriting from class |
calibration |
The fraction of the dataset to be put in the calibration set |
An list with two SpectraDataFrame objects, one for the
calibration, and the other for the validation.
Pierre Roudier pierre.roudier@gmail.com
# Loading example data data(australia) spectra(australia) <- sr_no ~ ... ~ 350:2500 l <- separate(australia, calibration=0.7) # The result is a list of two Spectra* objects str(l) lapply(l, nrow)
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