采用因子分析研究四川省21市州之间的相关性,利用主因子计算出各个市州得分,以市州得分作为新变量进行集团排序,再将基于相对位置排序法引入到集团排序中,进而得到最终的市州分类结果,在统计分析的基础上对市州经济发展给出一些建议. Factor analysis was used to study the correlation between 21 prefectures and cities in Sichuan Province. The main factors were used to calculate the scores of each city and city, and the state variables were used as the new variables to sort the groups. Then, the relative ranking method was introduced into the group ranking. Get the final city state classification results, on the basis of statistical analysis on the state economic development gives some suggestions.