\name{peakTable-methods} \docType{methods} \alias{peakTable} \alias{peakTable,xcmsSet-method} \title{Create report of aligned peak intensities} \description{ Create a report showing all aligned peaks. } \section{Methods}{ \describe{ \item{object = "xcmsSet"}{ \code{peakTable(object, filebase = character(), ...)} } }} \arguments{ \item{object}{the \code{xcmsSet} object} \item{filebase}{ base file name to save report, \code{.tsv} file and \code{_eic} will be appended to this name for the tabular report and EIC directory, respectively. if blank nothing will be saved } \item{...}{arguments passed down to \code{\link{groupval}}, which provides the actual intensities. } } \details{ This method handles creation of summary reports similar to \code{\link{diffreport}}. It returns a summary report that can optionally be written out to a tab-separated file. If a base file name is provided, the report (see Value section) will be saved to a tab separated file. } \value{ A data frame with the following columns: \item{mz}{median m/z of peaks in the group} \item{mzmin}{minimum m/z of peaks in the group} \item{mzmax}{maximum m/z of peaks in the group} \item{rt}{median retention time of peaks in the group} \item{rtmin}{minimum retention time of peaks in the group} \item{rtmax}{maximum retention time of peaks in the group} \item{npeaks}{number of peaks assigned to the group} \item{Sample Classes}{ number samples from each sample class represented in the group } \item{...}{one column for every sample class} \item{Sample Names}{integrated intensity value for every sample} \item{...}{one column for every sample} } \seealso{ \code{\link{xcmsSet-class}}, } \examples{ \dontrun{ library(faahKO) cdfpath <- system.file("cdf", package = "faahKO") cdffiles <- list.files(cdfpath, recursive = TRUE, full.names = TRUE) xs<-xcmsSet(cdf files) xs<-group(xs) peakTable(xs, filebase="peakList") } } \keyword{methods} \keyword{file}