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Hi Magnus. The traditional depth for crossover is 17.  If you're  
trying to keep your individuals smaller, try using one of the  
parsimony pressure methods in ECJ.  Take a look at the ECJ Manual, and  
also here:
	http://cs.gmu.edu/~sean/papers/parsimony.pdf

Sean

On Jul 24, 2011, at 11:32 AM, Magnus Johansson wrote:

> Is there some "rule of thumb" of what tree depth to have at least  
> when using ECJ? I mean should you at least use depth X to get any  
> meaningful evolution?
>
> I wanted to get "smaller" individuals but I'm under the impression  
> if there is too much restriction on the allowed depth it is hard to  
> get any useful evolution.
>
> Regards
> Magnus Johansson