Dataset:  alcohol_rsm.dat

Source: Y. Zhang and J. Zhang (2008). "Optimization of Headspace Solid-Phase
Microextraction for Analysis of Ethyl Carbamate in Alcoholic Beverages
Using a Face-Centered Cube Central Composite Design," Analytica Chimica Acta,
Vol. 627, pp. 212-218.

Description: Response Surface design relating 3 Factors: Temperature (50,65,80C),
pH(3,7,11), and percent NaCl (0, 10, 20) on Ethyl Carbimate peak area (1000s).

Variables/Columns
Run Number 7-8
Coded Temperature   15-16
Coded pH     23-24
Coded NaCl   31-32
Temperature   39-40
ph           47-48
NaCl         55-56
Ethyl Carbimate peak area   58-64