[pymvpa] retraining

[Michael Hanke]

On Wed, Apr 08, 2009 at 02:07:18AM -0400, Scott Gorlin wrote:
> Okay this email is admittedly way to long... but hopefully some of you  
> will find it as exciting as I do!
>
> I looked through some of the retraining stuff, and (for my purposes at  
> least) it doesn't seem to address the issue - the main reason I need to  
> accelerate retraining is for cross-validation, specifically model  
> selection, which will repeatedly change the trained data set etc (and  
> basically force full training in each implementation I looked at).
>
> To this end, I have an implementation of a cached-kernel SVM that  
> greatly accelerates n-fold cv since it only computes the kernel once for  
> an entire cv session.  This can theoretically be interfaced with model  
> selection to change model params quickly and kernel params slowly, and  
> speed up the entire process further.  I'm having some odd errors with  
> alioth right now and can't push (don't know if it's server-side or  
> something's actually wrong with my repo - i'm getting weird sha1 file  
> permission errors, so i'll try again tomorrow)

I think that was a side-effect of my repos-filtering -- should be fixed
now.

Sorry,

Michael


-- 
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