Dataset: transdermal.csv Source: H. Chaudhary, K. Kohli, S. Amin, P. Rathee, V. Kumar (2011). "Optimization and Formulation Design of Gels of Diclfenac and Curcumin for Transdermal Drug Delivery by Box-Behnken Statistical Design," Journal of Pharmaceutical Sciences, Vol. 100, #2, pp. 580-593. Description: 3-factors, each at 3 levels, with 3 Response Variables. Box-Behnken response surface design. Factors: Polymer Concentration (% w/w): -1=0.5, 0=1.0, +1=1.5 Ethanol Concentration (% w/w): -1=10, 0=15, +1=20 PG Concentration (% w/w): -1=5, 0=10, +1=15 Responses: Flux of DDEA Flux of CRM Viscosity of Gel Variable/Labels: Run number (runnum) Coded Polymer Concentration (polyconc) Coded Ethanol Concentration (ethnconc) Coded PG Concentration (pgconc) Flux DDEA (fluxddea) Flux CRM (fluxcrm) Viscosity of Gel (viscgel)