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Re: [amibroker] CMAE question

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Hi TJ - I read in the ReadMe that the default for MaxEval is 0, and it is advised not to change it. If I define it myself as 0, is that different from not defining it at all and just accepting the default?
 
Yes, I read that it is advised not to go over 10 runs, but in experimenting, Runs = 31 and MaxEval = 0 seems to return quite good and consistant results whereas 5 or 10 runs seems hit-or-miss and results can vary quite a bit. But maybe I am screwing things up by defining Runs as 0?
 
Steve 
----- Original Message -----
Sent: Saturday, August 09, 2008 2:29 PM
Subject: Re: [amibroker] CMAE question

Hello,
 
This is entirely wrong combination of params. 
MaxEval should be AT LEAST 2000. Runs should NEVER be set to anything greater than 10, with 5 being resonable max.

Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
Sent: Saturday, August 09, 2008 8:03 PM
Subject: [amibroker] CMAE question

Hi - I am playing around with the CMAE opt engine. MaxEval is set to 0 by me (instead of just accepting default). For Runs, if I enter any number up to 31, it will warn me about taking lots of time, and at 31 runs it says I have about 1.5B opt steps. If I enter any any number > 31, it may or may not warn me, and when it doesn't warn me, behavior of the progress box appears different. Am I overflowing the max allowed opt steps? Is there some limit to this algorithm? Any other thoughts why things are different sometimes? Thanks very much!
 
Steve
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