From Customer Profiles to Dynamic Monitoring: Purchase-Sequence Signals and Fresh-Item Repurchase in Online Grocery Shopping
Customer summaries record how much a household has bought, not how its orders unfolded. We reconstruct ten-order histories for 1,477,553 target orders from 83,755 Instacart users and derive two sequence measures from each history: the coefficient of variation of interpurchase gaps, and the mean Jaccard overlap of conse...