Research on trend prediction and evaluation of network public opinion

摘要

Network public opinion can reflect social and political attitude of people, and it is very importantrnthat we study trend prediction and evaluation of network public opinion, which can providerndecision making for managers. Aiming at lacking in trend prediction and evaluation of networkrnpublic opinion, the attributes of monitoring index system of network public opinion are reducedrnusing rough set theory, and construct a more scientific monitoring index system of network publicrnopinion combined with the real life, determine the weight of the index using the analyticrnhierarchy process, and present a novel method of trend prediction and evaluation of networkrnpublic opinion on the basis of fuzzy comprehensive evaluation model from the aspects of thernquantitative and qualitative. Example analysis shows that this method is simple and easy tornimplement. It helps to provide a new theory and practice guidance for trend prediction and riskrnevaluation of online network public opinion.