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From Greg Sterijevski <gsterijev...@gmail.com>
Subject Re: (MATH-607) Current Multiple Regression Object
Date Wed, 06 Jul 2011 16:46:14 GMT
I see. Why would it be a good reason to commingle functionality? Aside from
diagnostics like condition numbers and maybe eigenvalues, these approaches
don't seem to share much commonality. I could be wrong since my knowledge of
Mahout style problems is a bit spotty.

On Wed, Jul 6, 2011 at 11:34 AM, Ted Dunning <ted.dunning@gmail.com> wrote:

> The other way that regression is done at scale is with a linear operator.
>  This linear operator is often defined by the behavior of some external
> system that is not susceptible to incremental construction.  A good example
> is a large text retrieval system.
>
> It would be useful to support that style interface as well.
>
> On Wed, Jul 6, 2011 at 9:29 AM, Greg Sterijevski <gsterijevski@gmail.com
> >wrote:
>
> > Borrowing liberally from the SimpleRegressionClass,  the above
> > functionality
> > describes most of what a user would expect from a classical regression
> > analysis. What the interface buys us is the ability to support the many
> > ways
> > to generate the results above: QR factorizations, in place gaussian
> > elimination, incremental SVD and so forth.
> >
>

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