spc-spline: Spectral smoothing by splines
In GegznaV/hyperSpec2: Work with Hyperspectral Data, i.e. Spectra + Meta Information (Spatial, Time, Concentration, ...)

Description Usage Arguments Details Value Note Author(s) See Also Examples

Smoothing splines

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

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

Spectral smoothing by splines

hyperSpec object containing smoothed spectra

This function is still experimental

Claudia Beleites

spc.loess

smooth.spline

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)