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September 2013

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Date:
Tue, 24 Sep 2013 23:27:54 -0400
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ECJ Evolutionary Computation Toolkit <[log in to unmask]>
Subject:
Re: Mixing Minimization and Maximization of Multiple Objectives
From:
Sean Luke <[log in to unmask]>
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ECJ Evolutionary Computation Toolkit <[log in to unmask]>
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First things first: are you using the SVN version?  BTW, I just updated the manual to make clear how maximize/minimize works.

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On Sep 24, 2013, at 10:27 PM, Eric 'Siggy' Scott wrote:

> I have tried this:
> 
> multi.fitness.0.maximize=true
> multi.fitness.1.maximize=false
> multi.fitness.2.maximize=false
> 
> And this:
> 
> pop.subpop.0.species.fitness.0.maximize=true
> pop.subpop.0.species.fitness.1.maximize=false
> pop.subpop.0.species.fitness.2.maximize=false

It's maximize.1, not 1.maximize.  Any chance this is the issue?

If we've got further concerns with per-objective maximization and minimization, time to call in Khaled, who was instrumental in updating ECJ to handle it.

Sean

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