getPeaks2: Quantify peaks for individual spectra.

Description Usage Arguments Details Value

View source: R/getPeaks2.R

Description

For a vector of given peak locations, quantify peaks for individual spectra.

Usage

1
getPeaks2(bseoffM, pVec, eps = 0.003)

Arguments

bseoffM

A matrix of intensities, with rows the m/z values and columns samples.

pVec

A vector of given peak locations.

eps

Relative precision of peak location.

Details

Each peak is expanded to an interval, eps * m/z to the left and right of the peak. Intensities of individual spectra are quantified by the maxima in this interval.

Value

A matrix of intensities with rows the peaks 'pVec' and column the samples. The m/z values of 'pVec' is stored as the 'rownames' of the returned matrix.


PROcess documentation built on Nov. 8, 2020, 5:44 p.m.