(required) a data frame, possibly of
class rspec, which contains a column containing a
wavelength range , named 'wl', and spectra data in
remaining columns.
minsmooth
the minimum f value of the loess
function to visualize (defaults to 0.05)
maxsmooth
the maximum f value of the loess
function to visualize (defaults to 0.20)
curves
the number of curves to display on the same
plot (defaults to 5)
specnum
the number of spectral curves, from the
data frame, to visualize (defaults to ALL)
ask
logical. if TRUE, asks for user input
before changing plot pages
Value
Series of plot with curves processed with varying level
of loess smoothing