Want to Win Competitions? Pay Attention to Your Ensembles.

Summary: Want to win a Kaggle competition or at least get a respectable place on the leaderboard? These days it's all about ensembles and for a lot of practitioners that means reaching for random forests. Random forests have indeed been very successful but it's worth remembering that there are three different categories of ensembles and some important hyper parameters tuning issues within each Here's a brief review. The Kaggle competitions are like formula racing for data science. Winners edge out competitors at the fourth decimal place and like Formula 1 race cars, not many of us would mistake them for daily drivers.