ppc.read.raw.nobatch {ppc} | R Documentation |
A function to read in raw protein mass spec data, with no batches
Description
This function reads in raw protein mass spec data from a directory.
The directory is assumed to have on subdirectory per class (eg control or disease).
There is one comma-separated (csv) file in the subdirectory per spectrum,
having lines of the form m/ value, intensity (one line per m/z site)
Usage
ppc.read.raw.nobatch(directory, mz = NULL)
Arguments
directory |
Name of directory containing the data |
mz |
Optional vector of m/z values. Default NULL. If NULL, m/z values
are read in from files. Otherwise the values in mz are used. |
Value
xtr |
Matrix of intensities- one row per m/z site, one col per spectrum |
mz |
m/z values |
filenames |
List of names of files that were read in |
Author(s)
Balasubramanian Narasimhan and Rob Tibshirani
Examples
## for a complete worked example of this function in a PPC analysis see
## http://www-stat.stanford.edu/~tibs/PPC/Rdist/Rscript.rawdata
[Package
ppc version 1.01
Index]