Walmart has the world's largest data warehouse system, and in order to get an accurate picture of its customers' buying habits at its stores, Walmart analyzes its customers' shopping baskets to see what items they often buy together.
Detailed raw transaction data for each of its stores is centralized in Walmart's data warehouse. Based on this raw transaction data, Walmart uses data mining methods to analyze and mine this data. One unexpected discovery: "The item that was purchased the most with diapers was actually beer!
After a lot of actual research and analysis, it reveals a hidden pattern of American behavior behind "diapers and beer": in the United States, some young fathers often go to the supermarket after work to buy baby diapers, and 30% to 40% of them also buy some beer for themselves.
The reason for this phenomenon is that wives in the United States often urge their husbands to buy diapers for their children after work, and the husbands bring their favorite beer with them after buying diapers.
Detailed raw transaction data for each of its stores is centralized in Walmart's data warehouse. Based on this raw transaction data, Walmart uses data mining methods to analyze and mine this data. One unexpected discovery: "The item that was purchased the most with diapers was actually beer!
After a lot of actual research and analysis, it reveals a hidden pattern of American behavior behind "diapers and beer": in the United States, some young fathers often go to the supermarket after work to buy baby diapers, and 30% to 40% of them also buy some beer for themselves.
The reason for this phenomenon is that wives in the United States often urge their husbands to buy diapers for their children after work, and the husbands bring their favorite beer with them after buying diapers.
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