[pymvpa] regression analysis to predict subject-specific score

David V. Smith david.v.smith at duke.edu
Mon Mar 12 17:42:34 UTC 2012


Awesome -- that worked! Thanks!

On Mar 12, 2012, at 1:00 PM, Yaroslav Halchenko wrote:

> ah -- I should have thought about that...:
> 
> In [27]: print ds.targets
> ['-0.060484' '0.125' '-0.096774' '0' '0.065524' '0.13206' '0' '-0.0098118' ... ]
> 
> i.e. they are strings, whenever you want them to be numeric
> 
> so just do smth like
> 
> ds.targets = ds.targets.astype(float)
> 
> On Mon, 12 Mar 2012, David V. Smith wrote:
> 
>> Thanks for the help. The code you sent works on the 'chirp_linear' dataset, but it fails with the FailedToPredictError on my data. Also, thanks for the point about the NFoldPartitioner. I'll switch over to the HalfPartitioner.
> 
>> I just sent you the data using the command you provided. Let me know if you don't get it.
> 
>> Cheers,
>> David
> 
> -- 
> =------------------------------------------------------------------=
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> Yaroslav Halchenko                 www.ohloh.net/accounts/yarikoptic
> 
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