Check targeted_table for extract_eic function.
check_targeted_table(targeted_table)
targeted_table, 3 columns, 1. variable_id, 2. mz, 3. rt.
Notice of data checking.
targeted_table =
data.frame(variable_id = letters[1:5],
mz = c(100, 100.01, 100.02, 100.03, 100.05),
rt = c(1,2,3,4,5))
check_targeted_table(targeted_table)