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Date: | Sun, 16 Feb 2014 21:50:50 -0500 |
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On Sun, 16 Feb 2014 17:59:10 -0500, Sean Luke <[log in to unmask]> wrote:
>That's because the tutorial example does not implement the describe()
method. But all the stats are outputted.
>
I'll look into that.
>I do note one oddity with the statistics you provided: though the system
finds a solution that has a standardized fitness of 0.0, it's not the best
individual of run! This is for two reasons:
>
>- Floating point error results in the both 0.0 and 1.6653345E-16 getting
converted to an adjusted fitness of 1.0
>
>- Comparison is done based on adjusted fitness; but determination of ideal
individuals is done based on standardized fitness. [ In a perfect world, with no
floating point error, this wouldn't be an issue]
>
>So I think we should move the GP comparisons to be entirely based on
standardized fitness. Or alternatively swich to doubles. Or both.
Right. I see your point.
>
>> The console didn't show any early termination.
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>Sure it did:
>
>> Found Ideal Individual
>
>
>Sean
Well, I meant it didn't show an early termination due to an error... I should turn
verbosity on, shouldn't I?
-- ray
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