Hi all,
My name is Eva Alfaro-Cid and I work in a research institute in Valencia
(Spain).
Lately I have been working on the creation of bankruptcy prediction models
using GP. I am trying to use the multiobjective SPEA2 package for my
problem but I get an error message that says:
_______________________________________________________
Initializing Generation 0
Truncating the archive
Exception in thread "EvolutionAgent.0789779.3185923"
java.lang.NullPointerException
at ec.select.TournamentSelection.produce
(TournamentSelection.java:170)
at ec.gp.koza.CrossoverPipeline.produce(CrossoverPipeline.java:260)
at ec.breed.MultiBreedingPipeline.produce
(MultiBreedingPipeline.java:130)
at ec.multiobjective.spea2.SPEA2Breeder.breedPopChunk
(SPEA2Breeder.java:177)
at ec.multiobjective.spea2.SPEA2Breeder.breedPopulation
(SPEA2Breeder.java:108)
at ec.simple.SimpleEvolutionState.evolve
(SimpleEvolutionState.java:118)
at ec.drm.EvolutionAgent.run(EvolutionAgent.java:484)
at java.lang.Thread.run(Thread.java:595)
____________________________________________________________
I guess I have done something wrong while setting the parameters in
the .params file. (See attachment)
Can anyone help me to figure out what I am doing wrong?
Best regards, Eva
