filter_on_max_peptides: Filter only for the highest intense peptides

Description Usage Arguments Value Author(s) Examples

Description

In order to reduce the data, the data is filtered only for the proteins with the highest intensity peptides.

Usage

1

Arguments

data

A data frame containing SWATH data with the column names: ProteinNames, PeptideSequence, PrecursorCharge, Intensity.

n_peptides

Maximum number of highest intense peptides to filter the data on.

Value

Returns a data frame of the filtered data

Author(s)

Peter Blattmann

Examples

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data("OpenSWATH_data", package="SWATH2stats")
data("Study_design", package="SWATH2stats")
data <- sample_annotation(OpenSWATH_data, Study_design)
data.filtered <- filter_mscore_freqobs(data, 0.01,0.8)
data.max <- filter_on_max_peptides(data.filtered, 5)


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