Smooth Spectra

Applies spectral smoothing. Methods: "savgol" (Savitzky-Golay, needs the signal package; otherwise falls back to moving average with a warning), "moving_avg", "gaussian", "median".

Usage

ls_smooth(x, method = "savgol", window = 11, poly_order = 3)

Arguments

x

A ls_spectrum() or ls_dataset() object.

method

Character. Default "savgol".

window

Integer. Window size in channels (odd preferred). Default 11.

poly_order

Integer. Polynomial order for Savitzky-Golay. Default 3.

Value

Same class as input with smoothed intensities.

Examples

spec <- ls_simulate_spectrum(seed = 1)
sm <- ls_smooth(spec, method = "moving_avg", window = 9)