This is really nice write-up, much better than yet-another-skin-deep-sklearn-tutorial. Skimming some other posts of the author, his domain understanding looks q

This is really nice write-up, much better than yet-another-skin-deep-sklearn-tutorial. Skimming some other posts of the author, his domain understanding looks quite impressive to me. (Judging his writing as an ex-academic econometrician Data Scientist, about to be rebranded to Machine Learning Engineer by his megacorp employer, the author appears to have more insight in the field than many a PhD professional Data Scientist.)