MS1_neg                 Example MS1 data set for id functions in ESI-
MS1_pos                 Example MS1 data set for id functions in ESI+
MSMS1_neg               Example MS2 data set for id functions in ESI-
                        (low energy)
MSMS1_pos               Example MS2 data set for id functions in ESI+
                        (low energy)
MSMS2_neg               Example MS2 data set for id functions in ESI-
                        (high energy)
MSMS2_pos               Example MS2 data set for id functions in ESI+
                        (high energy)
