xgb.cv(X,y) all-the-things. Its far from a principled statistical approach to what is supposed to be at least an observational study in every case —- and have

xgb.cv(X,y) all-the-things. Its far from a principled statistical approach to what is supposed to be at least an observational study in every case —- and have all the caveats and preparations thereof —- but it is very easy to explain to devs, and one cannot stop the tide unfortunately.