ppc.make.peaklist {ppc} | R Documentation |
This function to extracts peaks from raw mass spec data. It uses a very simple peak finder "peaks"- looking for sites where the intensity is higher than it is elsewhere in a user-defined window surrounding that site.
ppc.make.peaklist(data, user.parms)
data |
List containing raw mass spec data |
user.parms |
List of user parameters |
List of peaks- one component per spectrum. Each component is a matrix of log m/z values and peak intensity.
Balasubramanian Narasimhan and Rob Tibshirani
## for a complete worked example of this function in a PPC analysis see ## http://www-stat.stanford.edu/~tibs/PPC/Rdist/Rscript.rawdata