| FindPeaks {TargetSearch} | R Documentation |
This function extracts the maximum intensity of a list of masses in a given RI window.
FindPeaks(my.files, refLib, columns = c("SPECTRUM", "RETENTION_TIME_INDEX"),
showProgressBar = FALSE)
my.files |
A character vector naming files to be searched. |
refLib |
A numeric matrix with three columns. The second column contains the masses and the first and third column contains the RI limits. |
columns |
A numeric vector with the positions of the columns SPECTRUM and
RETENTION_TIME_INDEX or a character vector with the header names of those
columns. |
showProgressBar |
Logical. Should the progress bar be displayed? |
A tsMSdata object.
This is an internal function not intended to be invoked directly.
Alvaro Cuadros-Inostroza, Matthew Hannah, Henning Redestig
medianRILib, sampleRI,
peakFind, tsMSdata
require(TargetSearchData)
data(TargetSearchData)
# get RI file path
RI.path <- file.path(.find.package("TargetSearchData"), "gc-ms-data")
# update RI file path
RIpath(sampleDescription) <- RI.path
my.files <- RIfiles(sampleDescription)
# make a three column matrix: lower RI, mass, upper RI
refLib <- refLib(refLibrary)
head(refLib)
# extract the peaks
peaks <- FindPeaks(my.files, refLib)