This is a universal subset choice dataset, so it consists of a collection of subsets that are chosen from some universal set of items. In this universal choice dataset, subset selections are a set of items purchased by an individual during a shopping trip at Walmart. The dataset was derived from data in a Kaggle competition. Some basic statistics of this dataset are:

• number of items: 183
• number of subset selections: 16,698

Data files:

• uchoice-Walmart-Items.tar.gz

If you use this data, please cite the following paper:

• A Discrete Choice Model for Subset Selection.
  Austin R. Benson, Ravi Kumar, and Andrew Tomkins.
  In Proceedings of the 11th ACM International Conference on Web Search and Data Mining (WSDM), 2018. [bibtex]