The order set for the order batching problem with learning and forgetting effects

The order set file includes the arrival time and the detailed ordered items for a timeframe of 28 days with 4,000 customer orders per weekday and 5,000 per day on weekend, in a online-to-offline grocery. The arrival time is 0~750. The total number of SKUs is 1200. The value is 1 if the SKU is ordered, otherwise 0.