getTIS-GCIMSSample-method.Rd
Get the total ion spectrum
# S4 method for class 'GCIMSSample'
getTIS(object)
A GCIMSSample object
A numeric vector with the total ion spectrum
sample_file <- system.file("extdata", "sample_formats", "small.mea.gz", package = "GCIMS")
s <- read_mea(sample_file)
tis <- getTIS(s)