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Old 04-08-2012, 08:45 AM
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htlin htlin is offline
Join Date: Aug 2009
Location: Taipei, Taiwan
Posts: 604
Default Re: Impact of Alpha on PLA Converging

Originally Posted by tcristo View Post
I agree. However, I wouldn't think that would necessarily result in halving the the number of iterations required to converge or result in the "best" answer.
Hinted in my reply is that for PLA in particular, using any positive alpha gives you the same (equivalent) answer with exactly the same number of iterations. So convergence-wise, alpha doesn't affect PLA at all. Not necessarily true for other algorithms, of course.
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