separate: Separates a 'Spectra*' object into a calibration and a...

In inspectr: Storing, manipulating and analysis spectroscopy and associated data in R.

Description

Separates a Spectra* object into a calibration and a validation set.

Usage

separate(obj, calibration, ...)

Arguments

obj	an object inheriting from class SpectraDataFrame
calibration	The fraction of the dataset to be put in the calibration set
...	Ignored

Value

An list with two SpectraDataFrame objects, one for the calibration, and the other for the validation.

Author(s)

Pierre Roudier [e-mail]

See Also

split, melt_spectra, lapply, and the l*pply family of function inthe plyr package.

Examples

# 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)

summary(l$calibration)
summary(l$validation)

inspectr documentation built on May 2, 2019, 5:45 p.m.