MassSpecWavelet-package {MassSpecWavelet} | R Documentation |
Process Mass Spectrum (MS) by Wavelet Transforms-based algorithms
Package: | MassSpecWavelet |
Type: | Package |
Version: | 1.0.4 |
Date: | 2007-04-05 |
License: | GPL 2 or newer |
MassSpecWavelet R package is aimed to process Mass Spectrometry (MS) data mainly based on Wavelet Transforms. The current version only supports the peak detection based on Continuous Wavelet Transform (CWT). Future versions will include more functions covering entire MS data processes.
Pan Du, Simon Lin
Maintainer: Pan Du <dupan@northwestern.edu>
Du, P., Kibbe, W.A. and Lin, S.M. (2006) Improved peak detection in mass spectrum by incorporating continuous wavelet transform-based pattern matching, Bioinformatics, 22, 2059-2065.
data(exampleMS) SNR.Th <- 3 peakInfo <- peakDetectionCWT(exampleMS, SNR.Th=SNR.Th) majorPeakInfo = peakInfo$majorPeakInfo peakIndex <- majorPeakInfo$peakIndex plotPeak(exampleMS, peakIndex, main=paste('Identified peaks with SNR >', SNR.Th))