ir_get_intensity: Extracts intensities from spectra in an ir object for specific spectral channels
Description
ir_get_intensity extracts intensity values of spectra for specific
user-defined spectral channels ("x axis values", e.g. wavenumber values).
Usage
ir_get_intensity(x, wavenumber, warn = TRUE)
Value
x with an additional column intensity.
x$intensity is a list column with each element representing a
data.frame with a row for each element in wavenumber and two
columns:
x
The "x axis values" extracted with
ir_get_wavenumberindex() applied on wavenumber and the
corresponding spectrum in x.
y
The extracted intensity values
.
Arguments
x
An object of class ir.
wavenumber
A numeric vector with spectral channels ("x axis values",
e.g. wavenumber values) for which to extract intensities.
warn
logical value indicating if warnings should be displayed
(TRUE) or not (FALSE).