addChromaTOFPeaks {flagme} | R Documentation |
Reads ASCII tab-delimited format files (output from ChromaTOF) and attaches them to an already created peaksDataset
object
addChromaTOFPeaks(object,fns=dir(,"[Tt][Xx][Tx]"),rtDivide=60,verbose=TRUE,...)
object |
a |
fns |
character vector of same length as |
rtDivide |
number giving the amount to divide the retention times by. |
verbose |
whether to give verbose output, default |
... |
arguments passed on to |
Repeated calls to parseChromaTOF
to add peak detection results to the original peaksDataset
object.
peaksDataset
object
Mark Robinson
Mark D Robinson (2008). Methods for the analysis of gas chromatography - mass spectrometry data PhD dissertation University of Melbourne.
# need access to CDF (raw data) and ChromaTOF files require(gcspikelite) gcmsPath<-paste(find.package("gcspikelite"),"data",sep="/") # full paths to file names cdfFiles<-dir(gcmsPath,"CDF",full=TRUE) # [not run] cTofFiles<-dir(gcmsPath,"txt",full=TRUE) # create a 'peaksDataset' object and add ChromaTOF peaks to it pd<-peaksDataset(cdfFiles[1],mz=seq(50,550),rtrange=c(7.5,8.5)) # [not run] pd<-addChromTOFPeaks(pd,...)