reference {VPdtw}

GC-MS Chromatogram

Description

GC-MS chromatogram from a wine sample

Usage

data(reference)

Format

A numeric vector of length 10018

Details

This together with the query data are used in the VPdtw examples. The alignment of these two signals is usually carried out on the log scale. Plotting of this signal is best done also on the log scale (see example below).

Source

Amalia Berna, Stephen Trowell, CSIRO Food Futures Flagship

References

Amalia Z. Berna, Stephen Trowell, David Clifford, Wies Cynkar, Daniel Cozzolino, Geographical origin of Sauvignon Blanc wines predicted by mass spectrometry and metal oxide based electronic nose, Analytica Chimica Acta, Volume 648, Issue 2, 26 August 2009, Pages 146-152, ISSN 0003-2670, DOI: 10.1016/j.aca.2009.06.056. Keywords: Sauvignon Blanc; Electronic nose; Gas chromatography-mass spectrometry; Prediction

Examples

data(reference)
data(query)
plot(reference,log="y",type="l",main="Gas Chromatogram",ylab="log(intensity)",lwd=2,col=1)
lines(query,col=2)