summarizeIntensities {qPLEXanalyzer} | R Documentation |
Summarizes multiple peptides intensities measurements to protein level.
summarizeIntensities(MSnSetObj, summarizationFunction, annotation)
MSnSetObj |
MSnSet; an object of class MSnSet |
summarizationFunction |
function; method used to aggregate the peptides into proteins. Sum, mean or median |
annotation |
data.frame; a data.frame of protein annotation of four columns: "Accessions", "Gene", "Description" and "GeneSymbol" |
An object of class MSnSet
(see MSnSet-class
)
data(human_anno) data(exp3_OHT_ESR1) MSnSet_data <- convertToMSnset(exp3_OHT_ESR1$intensities_qPLEX1, metadata=exp3_OHT_ESR1$metadata_qPLEX1, indExpData=c(7:16), Sequences=2, Accessions=6) MSnset_P <- summarizeIntensities(MSnSet_data, sum, human_anno)