hyperSpec (version 0.98-20150304)

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

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)