Kraggle competition hosted by grocery ordering and delivery app Instacart. Datasets are a relational set of files describing customers' orders over time (previous orders, products, and order time). The goal is to predict which products will be reordered in a user's next order.
Datasets available: https://www.kaggle.com/c/instacart-market-basket-analysis/data
References:
2nd place solution by @ONODERA
Light GBM by @paulantoine
F1 score optimization by @Faron
12th place solution by @plantsgo