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| 基于多元统计分析的长三角数字经济发展研究
ABSTRACT
Recently, with the steady development of internet technology and the rapid evolution in the communication era,more and more countries regard the digital economics as an important mean of boosting the international competitiveness.
China is heading into a healthy and strong developing circumstance while the trade and industry in China are facing the situation of upgrading and renewing. Yangtze River Delta which has shown strongly competitive potential is a deputy of China in the aspect of economic and technology. Due to this, a study into its digital economic impact is very meaningful in both theoretical and practical ways.
This article firstly describes the worldwide digital economics,then makes a description combine the background of the Yangtze River Delta development with its present economical condition. The paper analyzes the status quo of the digital economy in the cities of the Yangtze River Delta from the standpoint of digital infrastructure, communications industry,electronic information manufacturing, and electronic information service industries. The article measures the digital economic index through principal component analysis and k-means clustering algorithm. Paper uses those methods in order to make a rank between the 13 cities.Level of digital economics in Yangtze River Delta is taking thelead in China, while the internal differences can not be ignored. At last, the article makes some suggestion on the Yangtze River Delta digital economic based on the analyzed results.
Key Words: Digital Economy, Yangtze River Delta,k-means Clustering Algorithm, Principal Component Analysis
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