This dataset contains 16 example mass spectra.
It is used to demonstrate the usage of MALDIquant-package.
data(fiedler2009subset)A list containing 16 MassSpectrum-class
objects.
The dataset is a subset of data used in Fiedler et al 2009. 
It contains spectra of 8 different patients (each one has 2 technical
replicates).
| list_index | laboratory | patient_id | sex | age | type | 
| 1 | Leipzig | LC77 | male | 37 | control | 
| 2 | Leipzig | LC77 | male | 37 | control | 
| 3 | Leipzig | LC213 | female | 51 | control | 
| 4 | Leipzig | LC213 | female | 51 | control | 
| 5 | Leipzig | LT178 | male | 58 | cancer | 
| 6 | Leipzig | LT178 | male | 58 | cancer | 
| 7 | Leipzig | LT157 | male | 60 | cancer | 
| 8 | Leipzig | LT157 | male | 60 | cancer | 
| 9 | Heidelberg | HC49 | male | 43 | control | 
| 10 | Heidelberg | HC49 | male | 43 | control | 
| 11 | Heidelberg | HC54 | female | 71 | control | 
| 12 | Heidelberg | HC54 | female | 71 | control | 
| 13 | Heidelberg | HT151 | male | 53 | cancer | 
| 14 | Heidelberg | HT151 | male | 53 | cancer | 
| 15 | Heidelberg | HT429 | female | 58 | cancer | 
| 16 | Heidelberg | HT429 | female | 58 | cancer | 
G.M. Fiedler, A.B. Leichtle, J. Kase, S. Baumann, U. Ceglarek, K. Felix,
T. Conrad, H. Witzigmann, A. Weimann, C. Schütte, J. Hauss, M. Büchler
and J. Thiery
“Serum Peptidome Profiling Revealed Platelet Factor 4 as a Potential
Discriminating Peptide Associated with Pancreatic Cancer” 
Clinical Cancer Research, 11(15): 3812-3819, 2009 
ISSN 1557-3265; tools:::Rd_expr_doi("10.1158/1078-0432.CCR-08-2701")
MassSpectrum-class