Enlightenment of COVID-19:Analysis and Thinking of China's Health Public Opinion
With the progress of social science and technology and the wide application of the Internet,network public opinion has not only become an important form of social public opinion,but also an important part of social development.Health is the basis of promoting people's all-round development and an important symbol of national strength and prosperity.Our country attaches great importance to the reform and development of national health and Health services,and has listed the development of"healthy China"as a national strategy.Therefore,it is of certain practical significance to study the content of health network public opinion.Given the network public opinion analysis technology,this paper makes an empirical study on the text data of health public opinion hot topics from 2007 to 2020 obtained from professional websites and large comprehensive portal websites crawlers,on the basis of preprocessing the text data,this paper proposes an emotional tendency index analysis method based on the adaptive weight adjustment method,which uses the emotional dictionary to judge and adjust the weight of the emotional words,then adjusts the weight of the article length,and finally constructs the emotional tendency index for analysis and research.Through analysis,it is found that the change of the overall affective tendency index is greatly affected by social health events,and the rationality and feasibility of the research method are also verified.Here,I put forward deep thinking about the prevention of sudden outbreaks,the development of the health industry,and the medical security system.
China healthonline public opiniontext miningadaptive weight adjustmentemotional orientation index
NETL
NSTL
万方数据
