Visual Analysis of Public Opinion Based on Keywords

With the development of social media, the development of large-scale social media has become the main platform for public opinion today. Visual analysis of public opinion for keywords under specific conditions uses data mining technology, data cleaning technology and data visualization technology. Through keyword reviews and content mining under specific conditions, discrete data is denoised, cleaned, keyword events and geographic information of interest are extracted. Through the visual expression of the geographical distribution of the focus area, the tag cloud and the geographical map are combined to obtain the public opinion dynamics of keyword events, which opens up ideas for the visualization of public opinion analysis of keywords under specific conditions.