SumPeptides {DAPAR} | R Documentation |
This function computes the intensity of proteins based on the sum of the intensities of their peptides.
SumPeptides(matAdj, expr)
matAdj |
An adjacency matrix in which lines and columns correspond respectively to peptides and proteins. |
expr |
A matrix of intensities of peptides |
A matrix of intensities of proteins
Alexia Dorffer
require(DAPARdata) data(Exp1_R25_pept) protID <- "Protein.group.IDs" M <- BuildAdjacencyMatrix(Exp1_R25_pept[1:1000], protID, FALSE) SumPeptides(M, Biobase::exprs(Exp1_R25_pept[1:1000]))