ing model of customers' buying and implementation of algorithm-based system based on vc++ and access database, intrinsic correlation of goods purchased is simulated and analyzed.Income will be increased, if a few commodities with a high degree of confidence are put together.According to above-mentioned theory and analysis, the practicality of improved-algorithm has been proved.%目前在我国,对数据挖掘技术的研究与应用并不是很广泛.大多数数据库只能实现数据的录入、查询、统计等较低层次的功能,无法发现数据中存在的各种有用的信息.基于关联规则的数据挖掘主要用于发现数据集中项目之间的联系.以超市购物为例,目的在于找出顾客所购买商品之间的内在关联.利用Apriori算法的先验原理,减少Apriori算法在搜索频繁项目集时对候选式的搜索次数,并在对顾客购买的商品模型进行抽象的基础上,利用vc++与access数据库实现的算法系统,对所购买的商品之间的内在关联进行模拟分析.根据得到的数据分析出置信度较高的几种商品,通过对这些商品集中摆放,可以提高收益,从而证明改进的Apriori的实用性.
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