Description Usage Arguments Value Examples
Export the variable metadata of an experiment, to be used for statistical analysis.
1 2 | ## S4 method for signature 'proFIAset'
exportVariableMetadata(object, filename = NULL)
|
object |
A proFIAset object. |
filename |
If not NULL the result will be written in filename |
A dataframe with the following columns :
variableID an ID similar to the one of the peak table.
mzMed the median value of group in the m/z dimension.
mzMin the minimum value of the group in the m/z dimension.
mzMax the maximum value of the group in the m/z dimension.
scanMin the first scan on which the signal is detected.
scanMax the last scan on which the signal is detected.
nPeaks The number of peaks grouped in a group.
meanSolvent The mean of solvent in the acquisition.
signalOverSolventPvalue The mean p-value of the group.
corMean The mean of the matrix effect indicator.
SigSolMean The mean of ratio of the signal max intensity on the solvent max intensity.
1 2 3 4 5 | if(require(plasFIA)){
data(plasSet)
vtab<-exportVariableMetadata(plasSet)
head(vtab)
}
|
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