msSmoothMonotone {msProcess} | R Documentation |
Estimates the baseline of a spectrum as a decreasing function that always takes on a monotonic minimum value.
msSmoothMonotone(x, process="msSmoothMonotone")
x |
A numeric vector representing the intensity values of a spectrum. |
process |
A character string denoting the name of the
process to register with the (embedded) event history object of the input
after processing the input data.
Default: "msSmoothMonotone" . |
Since this function estimates the baseline of a spectrum as a monotone minimum, it works only if the portion before the maximum of the saturation period has been removed from the spectrum.
A vector representing the estimated monotonically decreasing baseline.
Coombes, K.R., Tsavachidis, S., Morris, J.S., Baggerly, K.A., Kuerer, H.M., ``Improved peak detection and quantification of mass spectrometry data acquired from surface-enhanced laser desorption and ionization by denoising spectra with the undecimated discrete wavelet transform," Proteomics, 5:4107–17, 2005.
msSmoothApprox
, msSmoothKsmooth
, msSmoothLoess
, msSmoothMean
, msSmoothSpline
, msSmoothSupsmu
.