Different analytical instruments can describe complementary aspects of wines. Paired headspace GC-MS and FT-IR measurements compare shared and instrument-specific variation across 44 Cabernet Sauvignon wines bought in Copenhagen: 6 from Argentina, 15 from Chile, 12 from Australia, and 11 from South Africa. Wine_v7.mat contains aligned and unaligned GC-MS arrays (44 x 2700 x 200; sample x elution time x mass channel), summed elution and mass profiles, peak areas for 57 aroma compounds, FT-IR spectra with and without water-band regions (44 x 842 and 44 x 1056), and 14 WineScan-predicted composition variables. Released blocks average duplicate measurements. Origin classes, sample labels, compound names, and measurement axes are included.
Skov, T.; Ballabio, D.; Bro, R. (2008). Multiblock variance partitioning: A new approach for comparing variation in multiple data blocks. Analytica Chimica Acta, 615(1), 18-29. https://doi.org/10.1016/j.aca.2008.03.045
