testing git on terminal
Merge https://github.com/kousu/stat440
Not sure what the change in NIW.cpp is atm.
Added a Multivariable Regression R script. Not 100% sure it's right and I wasn't sure whether to make it sample, and return, or plot/do a curve.
fixed A so it's only constructed once and made calculation be by reference. Barely/no noticeable difference (I think it went from 20 times to closer to 21 times, but hard to tell.
Merge branch 'master' of https://github.com/Daniel306/stat440