For metabo and set-of-runs example needs a PSI-MS CV terms (instead of QC CV

[mwalzer]

We need a PCA analysis result term for set-of runs (and if possible metabo) example
Currently used in set-of-runs are:

    QC:4000264 ! group of runs
    QC:4000267 ! PCA table

and in metabo

    QC:4000254 ! Peak area feature PCA result
    QC:4000255 ! Batch corrected peak area feature PCA result

What properties should the term(s) have to be broadly machine-intelligible?

[mwalzer]

Both examples use table columns for a PCA dimension and some input reference (run-names / labels).
Ready-to-plot would be a nice bonus (labels as in group/color/condition).

[mwalzer]

HUPO-PSI/psi-ms-CV#127 to fix