Learn R Programming
hyperSpec (version 0.98-20140523)

spc.smooth.spline: Spectral smoothing by splines

Description

Smoothing splines

Usage

spc.smooth.spline(spc, newx = wl(spc), ...)

Arguments

spc
hyperSpec object
newx
wavelengh axis to interpolate on
...
further parameters handed to smooth.spline

Value

  • hyperSpec object containing smoothed spectra

Details

Spectral smoothing by splines

See Also

spc.loess

smooth.spline

Examples

Run this code
p <- paracetamol [,,2200 ~ max]
plot (p, col = "gray")
smooth <- spc.smooth.spline (p [,, c (2200 ~ 2400, 2500 ~ 2825, 3150 ~ max)],
                             wl (paracetamol [,, 2200 ~ max]),
                             df = 4, spar = 1)
plot (smooth, col = "red", add = TRUE)

plot (p - smooth)

Run the code above in your browser using DataLab