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Hi All, I'm really enjoying using ECJ - it's a wonderfully sophisticated library. First off - I think the Step function in the ECSuite is implemented incorrectly and leads to a min that's actually below 0 (ie, fitness becomes > 0) - it should be using Math.abs instead of Math.floor. Secondly, I was wondering whether there's a best practices guide when it comes to using GA with ECJ. The basic GA set is useful, but it looks like there's many different ways to implement it (Simple, Steady State, DE, Coevolution, Mu-Lambda, etc). Are any of these techniques on average better than others? If that question is a little too broad, then which of the aforementioned methods (or any of the others included in ECJ) performs best on the ECSuite set of functions? When I say "best" I guess I'm talking on-average best result for a given number of evolutions. Are there any papers, websites or any other documentation which compare all of these techniques? Cheers, Michael