Dataset: beer_foam.dat Source: J.J. Hackbarth (2006). "Multivariate Analyses of Beer Foam Stand," Journal of the Institute of Brewing, Vol. 112, #1, pp. 17-24 Description: Measurements of wet foam height and beer height at various time points for Shiner Bock at 20C. Author fits exponential decay model: H(t) = H(0)*exp(-lambda*t) Variables/Columns Time from pour (seconds) 4-8 Wet foam height (cm) 10-16 Beer height (cm) 18-24