This method trims an AbstractMassObject object.
That is useful if some mass ranges should be excluded from further analysis.
# S4 method for AbstractMassObject,numeric
trim(object, range)
# S4 method for list,numeric
trim(object, range, ...)
# S4 method for list,missing
trim(object, range, ...)
AbstractMassObject object or a
list of AbstractMassObject objects.
numeric, limits of trimming (left/minimal mass,
right/maximal mass). If missing it is automatically determined (largest
overlapping mass range) for a list of
AbstractMassObject.
arguments to be passed to underlying functions (currently only
mc.cores is supported).
Sebastian Gibb mail@sebastiangibb.de
AbstractMassObject,
MassPeaks,
MassSpectrum
## load package
library("MALDIquant")
## load example data
data("fiedler2009subset", package="MALDIquant")
## select only one spectrum
s <- fiedler2009subset[[1]]
## remove all mass lower 3000
trim(s, range=c(3000, Inf))
## remove all mass higher 8000
trim(s, range=c(0, 8000))
## remove all mass lower 3000 and higher 8000
trim(s, range=c(3000, 8000))
## choose largest overlapping mass range for all spectra
trim(fiedler2009subset)
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