Evaluation of Urban Economic Vitality Based on Principal Component Analysis

Abstract

Regional economic vitality is an important part of regional comprehensive competitiveness. How to seize key factors and effectively improve regional economic vitality is a subject worthy of study. By establishing a mathematical model, this paper comprehensively analyzes the influencing factors of regional economic vitality. In this paper, we choose some typical cities in China to rank the urban economic vitality of them. The principal component analysis method was used to obtain three main components based on the selected seven indicators for measuring urban economic vitality, and the first part of the urban economy was calculated Vitality score, then use fuzzy comprehensive evaluation model, based on expert scores to establish a weight set based on indicators, from which the second part of the city's economic vitality score was calculated. Finally, factor analysis was used to analyze the cities in the first and second parts the economic vitality score was weighted, and the city's economic vitality ranking was finally obtained.