data frame that holds columns representing Glycans.
These column names should start with 'GP'.
method
year of the derived traits definition. By default 2011.
print.exp.names
If TRUE return expected column names
representing glycans.
Value
Returns the data frame with derived traits
Details
Calculates derived traits from basic glycan peaks. User can choose
which definition of the derived traits he will use
(see references for different versions/definitions of derived traits).
References
Lu et al. (2011)
"Screening Novel Biomarkers for Metabolic Syndrome by Profiling
Human Plasma N-Glycans in Chinese Han and Croatian Populations"
http://dx.doi.org/10.1021/pr2004067