zdebruine

Just saw this here, but I'm going to drop my $0.02 hoping it may be useful to someone. I work on matrix factorization by alternating least squares. I've found that...

@eddelbuettel Thanks a lot for your efforts! The new Armadillo-like matrix subsetting features are welcome additions!

If the PR submitted by @yixuan doesn't suffice, I'm happy to take a deeper look later this week.

With `packageVersion("RcppEigen") == 0.3.3.99.0`: `Eagle`: PR submitted to mute unnecessary check in a function (https://github.com/davidaknowles/eagle/pull/2). Resulting test failure was unrelated to RcppEigen 0.3.99. Not sure why this was considered passing...

> @zdebruine I see a compile failure (on Linux). As you are set up with `Eagle`, please try it a different platform. Maybe Windows (which you use) is for once...

I noticed that `eagle` is failing because it uses the `long` type, and the header library is missing operator definitions for `long` objects. This may be the case more broadly,...

@eddelbuettel @bbolker I'm personally invested in seeing this happen (my RcppML package would make good use of Eigen 3.4), and happy to help, but I'm in the first week of...

Yes, I used to support unconstrained "N"MF, but found that properties of this method were not useful in practice: - Not robust (less unique) - Uninterpretable - Not applicable to...

No, this is really good. I'll leave this issue open so that when I get time to update RcppML this summer we can add a parameter `nonneg = c(bool, bool)`...

Got it, I'll try to address this issue early next week. You will see a significant change to the way we do LNMF however, as we have developed much better...