After experiencing problems such as shutdown and limited offline activities caused by the COVID-19 pandemic, various industries have taken the initiative to take self-help measures such as Internetization, which makes the industry economy change significantly in the post-pandemic era and makes it necessary to re-evaluate the industry economic pattern. However, online public opinion is diverse and platform content is complex. Therefore, it is essential to observe economic activities from the network information platform and complete the screening and purification of information. In order to improve the degree of quantification, and deepen the understanding of data, this paper solves the above problems through parallel coordinate visualization. At the same time, the lines in the parallel axis are used to indicate the amount and specific trend of industry information, which not only reflects the role of parallel coordinate visualization methods in industry dynamic analysis and real-time display but also makes industry development forecasts more feasible.
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