Peak detection for a GCIMSChromatogram

Peak detection for a GCIMSChromatogram

# S4 method for class 'GCIMSChromatogram'
findPeaks(object, ...)

Arguments

object

A GCIMSChromatogram object

...

Arguments passed on to findPeaksImpl1D

verbose

If TRUE information will be printed on screen

length_in_xunits

Length of the filter used to compute the second derivative. See details.

peakwidth_range_xunits

A vector of length 2 with the minimum and maximum peak width. See details.

peakDetectionCWTParams

Additional parameters to MassSpecWavelet::peakDetectionCWT(). See details.

extension_factor

A number to extend the ROIs beyond their default size

iou_overlap_threshold

A number, between 0 and 1. Pairs of ROIs with an intersection over union larger than this threshold are merged.

debug

If TRUE, return as well the debug information

Value

The modified GCIMSChromatogram, with a peak list