Dataset: aroma_beer.dat Source: I. Techakriengkrai, A. Paterson, B. Taidi, and J.R. Piggott (2006). "Relationships of Overall Estery Aroma Character in Lagers with Volatile Headspace Congener Concentrations," Journal of the Institute of Brewing, Vol. 112, #1, pp. 41-49. Description: Estery aroma scores and concentrations of three higher alcohols (Ethyl acetate, propanol, Isobutanol) and 4 estery compounds (Isoamyl acetate, methyl butanol, ethyl caproate, and Ethyl Caprylate) for 23 brands of lager beer. Variables/Columns Brand id 1 /* A-W */ Ethyl Acetate 10-16 Propanol 18-24 Isobutanol 26-32 Isoamyl Acetate 34-40 Methyl Butanol 42-48 Ethyl Caproate 50-56 Ethyl Caprylate 58-64 Estery Aroma score 66-72