On Thu, Jul 05, 2012 at 04:57:25PM +0200, Peter Prettenhofer wrote:
> Model selection is my nemesis - little can be gained, everything lost :-)

Agreed!

> In the end I did 5x 5-fold CV - the error std between the repetitions
> was around 0.005.

I am a big fan of using ShuffleSplit to reduce the variance by using many
folds while keeping a 10 to 20% ratio between train and test. On our data
it seems to be a good option, to the cost of computational time, of
course.

G

------------------------------------------------------------------------------
Live Security Virtual Conference
Exclusive live event will cover all the ways today's security and 
threat landscape has changed and how IT managers can respond. Discussions 
will include endpoint security, mobile security and the latest in malware 
threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
_______________________________________________
Scikit-learn-general mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/scikit-learn-general

Reply via email to