Talk:Structure-activity relationship

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SAR and SAR paradox: I'm removing the somewhat alien reference to the No Free Lunch (NFL) theorem. Regardless of what NFL says about black-box search in general, it clearly doesn't apply in such a regular environment as inducing structure-activity relationships. The underlying relationships - for biological activity as a function of which functional groups are present in what combination - are physical, hence continuous. Continuous non-fractal functions don't follow the NFL theorem. Wikisteff (talk) 14:32, 16 January 2008 (UTC)