Sorry, I should have been clearer on this. By 'brute force' I mean mean subtraction from Y, not A.
Dmitry, from what I can gather from your document this is still necessary, even with mean propagation. Is that right? On 18 Dec, 2011, at 11:19 PM, Ted Dunning wrote: > No. That way lies madness. That makes sparse rows non-sparse. > > Such subtraction must be done implicitly, not explicitly. > > On Sun, Dec 18, 2011 at 2:04 PM, Raphael Cendrillon < > cendrillon1...@gmail.com> wrote: > >> As a follow up, would it be worth starting work on the 'brute force' job >> for subtracting the average from each of the rows? >>
