The eval.subpop.i.* params are for evaluation purposes only.  If you  

write a new evaluator, you would not need them.



On Jan 10, 2007, at 8:16 AM, SUBSCRIBE ECJ-INTEREST-L T. S. Yo wrote:



> Hi,

>

> I have a question about coevolution, to be more specific, it is  

> about the

> class MultiPopCoevolutionaryEvaluator.

>

> In this class, a set of parameters with prefix "eval.subpop.i" are  

> defined

> for each subpopulation, i.e., "num-elites", "num-random-ind", "num- 

> ind", and

> "select".

>

> Because I am writing a new Evaluator class for coevolution, I have the

> following  question : is it "necessary" to use these parameters to  

> define

> the breeding of each subpopulation in coevolution?  May I just  

> define two

> breeding pipeline like this:

> ----------------------------------------------

> pop.subpops        = 2

>

> breed.elite.0    = 10

> pop.subpop.0.species.pipe  = ec.vector.breed.VectorMutationPipeline

> pop.subpop.0.species.pipe.source.0 =  

> ec.vector.breed.VectorCrossoverPipeline

> pop.subpop.0.species.pipe.source.0.source.0 = exp.util.RankSelection

> pop.subpop.0.species.pipe.source.0.source.1 = exp.util.RankSelection

>

> breed.elite.1    = 10

> pop.subpop.1.species.pipe  = ec.vector.breed.VectorMutationPipeline

> pop.subpop.1.species.pipe.source.0 =  

> ec.vector.breed.VectorCrossoverPipeline

> pop.subpop.1.species.pipe.source.0.source.0 = exp.util.RankSelection

> pop.subpop.1.species.pipe.source.0.source.1 = exp.util.RankSelection

> -----------------------------------------------

> and ignore these eval.subpop.i.* in my own Evaluator class?

>

> Actually, in the class "CompetitiveEvaluator", there is no such  

> parameters,

> so I wonder if I must handle the selection in an Evaluator class.

>

> Thanks in advance.

>

> Ting-Shuo Yo