aggregateSum {DAPAR} | R Documentation

## Compute the intensity of proteins with the sum of the intensities of their peptides.

### Description

This function computes the intensity of proteins based on the sum of the intensities of their peptides.

### Usage

    aggregateSum(obj.pep, X)

### Arguments

`obj.pep` | A matrix of intensities of peptides
`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')
    protID <- "Protein_group_IDs"
    obj.pep <- Exp1_R25_pept[1:10]
    X <- BuildAdjacencyMatrix(obj.pep, protID, FALSE)
    ll.agg <- DAPAR::aggregateSum(obj.pep, X)

[Package DAPAR version 1.24.8 Index]