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.dunn...@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 <gsterijev...@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. > > >