Research on the Measurement of the Construction Level and Development Strategy of Yiyang Smart City Based on Principal Component Analysis

In order to improve the construction level of Yi yang smart city, by combing the previous evaluation indicators of smart city construction and the comprehensive comparison of relevant cities, five firstclass evaluation indicators, i.e. information infrastructure, unified support platform, people's livelihood service, industrial support and urban management are selected, and the principal component analysis method is used to find out the key factors affecting the construction of Yiyang smart city By improving the construction awareness of smart city, strengthening the top-level designandsystem planning, focusing on the collection and sharing of information resources, and strengthening the active participation of all sectors of society and citizens in the smart city construction path.