Call: normalize(object = msidata, pixel = pixelnumber, method = "tic")
object = MSImageSet
pixel = integer
method = character

Call: peakPick(object = msidata, pixel = pixelnumber, window = 5, blocks = 3, 
Call:     method = "adaptive", SNR = 3, spar = 1)
object = MSImageSet
pixel = integer
window = numeric
blocks = numeric
method = character
SNR = numeric
spar = numeric

Call: peakAlign(object = msidata, method = "diff", diff.max = 200, 
Call:     units = "ppm")
object = MSImageSet
method = character
diff.max = numeric
units = character

Call: peakAlign(object = object, ref = object, method = "diff", diff.max = 200, 
Call:     units = "ppm")
object = unknown
ref = unknown
method = character
diff.max = numeric
units = character

Call: peakAlign(object = object, ref = peaks, diff.max = 200, units = "ppm")
object = unknown
ref = standardGeneric
diff.max = numeric
units = character