M.E. RAMOS‐NINO, C.A. RAMIREZ‐RODRIGUEZ, M.N. CLIFFORD AND M.R. ADAMS, 1997. The ability of artificial neural networks (ANN), fuzzy systems (FS) and multiple linear regression (MLR) to fit the biological activity surface describing the inhibition of Listeria monocytogenes by benzoic and cinnamic acid derivatives was compared. MLR and ANN were also compared for their ability to select the properties that best describe the biological activity of the compounds. The criteria used for comparing surface fits of all models were the coefficient of determination r2 and the standard deviation of the error, se. The ANN method gave a better correlation, r2= 0.96, compared with either MLR, r2= 0.81, or FS, r2= 0.92, and also a lower standard error, possibly indicating non‐linearity in the data. The ANN was shown to generalize better than MLR using the leave‐one‐out method. The ANN selection algorithm for the selection of the parameters that contributed most to the biological activity of the phenols (log K and pKa) agreed with the selected parameters of the MLR system.
Journal of Applied Microbiology – Wiley
Published: Feb 1, 1997
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