SWATH2stats (version 1.2.3)

sample_annotation: sample_annotation: Annotate the SWATH data with the sample information

Description

For statistical analysis and filtering the measurements need to be annotated with Filename, Condition, BioReplicate, and Run. This functions takes this information from a txt file containing this meta-data.

Usage

sample_annotation(data, sample.annotation, data.type="openSWATH", 
column.file = "align_origfilename", change.run.id = TRUE, verbose=FALSE)

Arguments

data

A data frame containing SWATH data.

sample.annotation

A data frame containing the columns: Filename, Condition, BioReplicate, Run. The values contained in the column filename have to be present in the filename of the SWATH data.

data.type

Option to specify the format of the table, if the column names from an OpenSWATH output or MSstats table are used.

column.file

Option to specify the column name where the injection file is specified. Default is set to "align_origfilename".

change.run.id

Option to choose if the run\_id column shall be reassigned to a unique value combining the values of Condition, BioReplicate and Run. (Option only possible if data is of format "OpenSWATH")

verbose

Option to turn on reporting on which filename it is working on.

Value

Returns a dataframe with each row annotated for the study design

Examples

data("OpenSWATH_data", package="SWATH2stats")
data("Study_design", package="SWATH2stats")
data <- sample_annotation(OpenSWATH_data, Study_design)