normalize: Normalize spectra and peaks

In CeMOS-Mannheim/MALDIcellassay: Automated MALDI Cell Assays Using Dose-Response Curve Fitting

Normalize spectra and peaks

Description

Normalize spectra and peaks

Usage

normalize(spec, peaks, normMeth, normMz, normTol)

Arguments

spec	List of MALDIquant::MassSpectrum or MALDIquant::MassPeaks objects
peaks	List of MALDIquant::MassPeaks
normMeth	Character, normalization method. Options are "TIC", "median" and "mz".
normMz	Numeric, mz used to normalize.
normTol	Numeric, tolerance around normMz.

Details

Typically MassSpectrum lists should be provided as spec, still its possible to provide peaks for both arguments spec and peaks in the case that no raw data (continuous spectra) is available. In this case the operations performed on spec and peaks are equal.

Value

List of lists of normalized MALDIquant::MassSpectrum, normalized MALDIquant::MassPeaks, normalization factors as well as indicies of spectra containing the normMz in case of normMeth = "mz",

Examples

data(Blank2022spec)
data(Blank2022peaks)
norm <- normalize(Blank2022spec, Blank2022peaks, normMeth = "mz", normMz = 760.585, normTol = 0.1)

# normalization factors
norm$factor 

CeMOS-Mannheim/MALDIcellassay documentation built on Jan. 24, 2025, 11:17 p.m.