Analysis of the Comprehensive Economic Strength of Cities in Sichuan Province Based on Principal Component Analysis

Abstract

This paper evaluates the comprehensive economic strength of 18 cities in Sichuan Province based on principal component analysis. By selecting 10 economic indicators such as gross regional product, total investment in fixed assets, financial general budget revenue, total merchandise export, gross product of each industry, gross product per capital, disposable income of urban residents and resident population, principal component analysis is carried out by using SPSS software. The results show that Chengdu City is clearly ahead of other cities in terms of comprehensive economic strength, with its economic total, structure and efficiency outstanding, showing a very strong economic agglomeration and radiation capacity. Yibin City and Mianyang City also show strong comprehensive economic strength. The findings of this paper provide a scientific basis for the formulation of economic development policies for the cities in Sichuan Province, aiming to promote the coordinated and high-quality development of the regional economy.