| Data Field | Data Type | Definition |
| user_id | integer | A unique id for the shopper |
| merchant_id | integer | A unique id for the merchant |
| item_id | integer | A unique id for the item |
| brand_id | float | A unique id for the brand of the item |
| cat_id | integer | A unique id for the category of the item |
| time_stamp | integer | Date the action took place (format: mmdd) |
| action_type | integer | Type of the action, which is enumerated as the set {0, 1, 2, 3}, where 0 represents click, 1 is for add-to-cart, 2 denotes purchase and 3 is for add-to-favorite |