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Messages 3618 - 3647 of 4886   Oldest  |  < Older  |  Newer >  |  Newest
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3618
... are ... is ... their ... that ... point ... Could you be kind enough to explain how speciation parameters work in NEAT? What if I change these parameters?...
psyphiroth.nebu
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Nov 7, 2007
6:22 am
3619
Well basically you need to understand how two genotypes (NNs) are compared so that it is determined whether they are in the same species or not. The total...
petar_chervenski
petar_cherve...
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Nov 7, 2007
9:00 am
3620
Thanks for your kindness, but, well, I actually know what these parameters mean, but *don't* know how to decide the parameter values in a specific problem. I...
psyphiroth.nebu
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Nov 7, 2007
9:42 am
3621
Hm. It is hard to tell you why, but.. maybe the population size is too small? If the population size is too small and there are many species, there is not...
petar_chervenski
petar_cherve...
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Nov 7, 2007
9:52 am
3622
Well, do I have to use a GA to determine the appropriate parameters? I think the network stucture is noly related to output, no matter the input, is that...
psyphiroth.nebu
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Nov 7, 2007
10:00 am
3623
Using a GA to determine the best parameters will require a lot of CPU time. Every individual running its own evolution.. Nah, this is too computationally...
petar_chervenski
petar_cherve...
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Nov 7, 2007
10:14 am
3624
Sigh, so it will be a long night...
psyphiroth.nebu
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Nov 7, 2007
10:31 am
3625
Maybe the thing to do is to run a study of what happens for a range of different parameters for a few different test problems, then write up the results as a...
Emyr James
ej_1973
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Nov 7, 2007
11:02 am
3626
Beware: evolution is very bad at choosing good settings for evolution. That's in addition to all of the extra computation time. Cf. Clune, J., Goings, S.,...
Jeff Clune
jeffreyclune
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Nov 7, 2007
2:45 pm
3627
... This is a rather broad statement, and, paper or not, I don't buy it. I believe a Differential Evolution would work *very* well to choose NEAT parameters. ...
Stephen Waits
stevewaits
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Nov 7, 2007
3:18 pm
3628
There may be some mileage in using multi-objective evolution where instead of using parameters, the things they change are factored in as extra dimensions to...
Emyr James
ej_1973
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Nov 7, 2007
3:30 pm
3629
I recognize it is a broad statement, but after doing research on this subject for a few years it is what I have concluded. I am currently working on a...
Jeff Clune
jeffreyclune
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Nov 7, 2007
4:06 pm
3630
The below posts dated 02/03/07, 12/02/06, 10/18/06 and 10/12/06, may be applicable. ##################### Post Dated: 02/03/07: ##################### The...
afcarl2
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Nov 7, 2007
4:46 pm
3631
Your point could be interpreted to be substantiated, if you were to start your parameter evolution from scratch. But, if you use the starting genome as the...
afcarl2
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Nov 7, 2007
7:39 pm
3632
Are you saying that because you have tried it, or because you think that starting with a good set of parameters on the genome it would get better (or stay as...
Jeff Clune
jeffreyclune
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Nov 7, 2007
7:54 pm
3633
Based upon experience (i.e. Supervisor NEAT). And also, yes, it is profoundly more effective to start with your best "knowledge" to date, whether supervisor...
afcarl2
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Nov 7, 2007
8:22 pm
3634
It is very cool that you have supervisor neat going. I could not find the top-level result of the proposed experiment in there. Do the runs with an evolving...
Jeff Clune
jeffreyclune
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Nov 7, 2007
8:37 pm
3635
a) The actual experiment is addressed (i.e. not proposed). b) Yes, on all problems addressed to date. c) Yes, digest the meaning/implications in the data...
afcarl2
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Nov 7, 2007
8:59 pm
3636
This brief tutorial is intended to convey a means by which a starting genome may be created to correspond to a desired starting point. This usually represents...
afcarl2
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Nov 10, 2007
10:58 pm
3637
Well what about just saving the best genome from previous runs? Incremental evolution? I know this introduces potentially unnecessary complexity but that...
petar_chervenski
petar_cherve...
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Nov 13, 2007
11:27 pm
3638
Has there been any work to date on implementing recessive genes in a NEAT genome? I am interested in embedding additional information in a genome without...
afcarl2
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Nov 14, 2007
4:11 pm
3639
Andy, Not that I know of...maybe Ken knows of NEAT implementations of recessive genes. At one point with ANJI, we discussed going down this route. Since genes...
Derek James
blue5432
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Nov 14, 2007
4:37 pm
3640
Derek, What prompts my question is an experiment which employs a local gradient search, utilizing the organism output vector as the start point. The result is...
afcarl2
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Nov 14, 2007
5:05 pm
3641
There has been work with GAs that have diploid genomes but no work specifically with NEAT that I know of. Here's a general GA paper on the subject: ...
Kenneth Stanley
kenstanley01
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Nov 14, 2007
10:19 pm
3642
... Andy, Not NEAT related, but my copy of Melanie Mitchells intro to GAs refers to work by Collins and Jeferson in one context , then adds in that a different...
aimike002
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Nov 15, 2007
10:00 pm
3643
Hi Stanley and everyone in the list, I would like to know if there is any kind of implementation and experiments done using the NEAT with self-organizing maps ...
Cícero Augusto
ciceroaugust...
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Nov 25, 2007
4:30 am
3644
Investigation of redundant organisms in NEAT using standard param values has shown an approximate 10 percent redundancy factor as follows: Population Size: 100...
afcarl2
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Nov 26, 2007
5:06 am
3645
Hi, It would be interesting to see the percentage figure for other population sizes, # of inputs/outputs etc. to see if the problem hovers around the 10% ...
Colin Green
alienseedpod
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Nov 26, 2007
9:27 am
3646
Andy, thanks for pointing this issue out. Those are interesting statistics. It is indeed best to avoid reevaluating an organism that is the same as one that...
Kenneth Stanley
kenstanley01
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Nov 26, 2007
2:23 pm
3647
Cicero, I don't know of any published work in which NEAT was combined with a SOM. However, in my classes students have used NEAT to evolve the function that...
Kenneth Stanley
kenstanley01
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Nov 26, 2007
2:32 pm
Messages 3618 - 3647 of 4886   Oldest  |  < Older  |  Newer >  |  Newest
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