MALDI-TOF mass spectra
Matrix of 45 spectra of 21451 m/z values from MALDI-TOF on mixed milk samples.
data(milk)
A data frame with 45 observations on the following 2 variables.
cowa numeric vector
spectraa matrix with 21451 columns
cow is the concentration of cow milk
in mixed samples of cow, goat, and ewe milk.
Kristian Hovde Liland, Bjørn-Helge Mevik, Elling-Olav Rukke, Trygve Almøy, Morten Skaugen and Tomas Isaksson (2009) Quantitative whole spectrum analysis with MALDI-TOF MS, Part I: Measurement optimisation. Chemometrics and Intelligent Laboratory Systems, 96(2), 210–218.
data(milk) ## Not run: plot(milk$spectra[1,], type = "l") ## End(Not run)
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