搜索结果: 1-1 共查到“法学 cluster analysis”相关记录1条 . 查询时间(0.125 秒)
Household food expenditure patterns：a cluster analysis
Household food expenditure patterns
2009/3/24
Using data from the Consumer Expenditure Survey, researchers are studying household food expenditure patterns and are learning about the many ways people differ in what and where they eat.