Just out of curiosity, what features would you want to add to make it more advanced? I'll make tickets for them.

For statistics I'd be interested in seeing quantiles, regressions, and coefficient of determination.

I intend to contribute what I can in those areas.

That'd be great

QR decomposition

I think "advanced" can be taken as relative to what you expect from any language's standard math library.

Agreed. I would have expected to see things like ICA, PCA, SVD, pseudorandom number generators for various discrete and continuous distributions, misc. multiplicative and arithmetic functions, misc. metrics (of the minkowski kind) and so on to label the library as advanced.

front end devs.

I speak for myself when I say a lot of us aren't that good at math.