aggregateMean: Compute the intensity of proteins as the mean of the...

In samWieczorek/DAPAR: Tools for the Differential Analysis of Proteins Abundance with R

Compute the intensity of proteins as the mean of the intensities of their peptides.

Description

This function computes the intensity of proteins as the mean of the intensities of their peptides.

Usage

aggregateMean(obj.pep, X)

Arguments

obj.pep	A peptide object of class MSnset
X	An adjacency matrix in which lines and columns correspond respectively to peptides and proteins.

Value

A matrix of intensities of proteins

Author(s)

Alexia Dorffer

Examples

utils::data(Exp1_R25_pept, package='DAPARdata')
obj.pep <- Exp1_R25_pept[1:10]
obj.pep.imp <- wrapper.impute.detQuant(obj.pep, na.type='missing')
protID <- obj.pep@experimentData@other$proteinId
X <- BuildAdjacencyMatrix(obj.pep.imp, protID, FALSE)
ll.agg <- aggregateMean(obj.pep.imp, X)

samWieczorek/DAPAR documentation built on May 6, 2022, 5:30 p.m.