findPeaks.MSW-methods {xcms} | R Documentation |
Processing Mass Spectrometry direct-injection spectrum by using wavelet based algorithm.
object |
xcmsSet object |
snthresh |
signal to noise ratio cutoff |
verbose.columns |
additional peak meta data columns are returned |
... |
Parameters passed to peakDetectionCWT |
This is a wrapper around the peak picker in the bioconductor package
MassSpecWavelet calling peakDetectionCWT
and tuneInPeakInfo
.
A matrix with columns:
mz |
weighted (by intensity) mean of peak m/z across scans |
mzmin |
same as mz |
mzmax |
same as mz |
rt |
always -1 |
rtmin |
always -1 |
rtmax |
always -1 |
into |
integrated area of original (raw) peak |
maxo |
intensity of original (raw) peak at the centroid position |
sn |
Signal/Noise ratio |
findPeaks.MSW(object, snthresh=3, verbose.columns = FALSE, ...)
Steffen Neumann, sneumann@ipb-halle.de
peakDetectionCWT
findPeaks-methods
xcmsRaw-class