[mlpack] Location of CV and hyper-parameter tuning modules

[Ryan Curtin]

On Fri, May 26, 2017 at 06:55:46AM +0500, Kirill Mishchenko wrote:
> Hi Ryan,
> 
> What do you think about the location for measurements (like Accuracy
> and MSE)? There is already the folder “metrics” in src/mlpack/core, so
> src/mlpack/core/measurements will probably be confusing. Maybe we
> should put the measurements folder into the cv folder?

I agree, they are not the same as metrics in the 'distance metric'
sense.  cv/metrics/ is probably fine.

-- 
Ryan Curtin    | "Because for the people who knew what it was, it
ryan at ratml.org | would be attacking their brain."