Using the above example, if we want to know the two most likely products to be purchased by Customer no. 5, we would conclude that they are books and a DVD.
回到上述的例子，如果我们想要知道第5个顾客最有可能购买的产品，那么这次的结论是书和DVD。
2
A $5 bottle of Listerine in your medicine cabinet may do the job as effectively as a $75 bottle of DVD cleaning fluid.