Research on Practical Application of Data Analysis and Visualization

In the era of big data, make "data speak" has become the Times development demand. It explores the development law and helps to make scientific decisions. This paper aimed at the selection of offline pilot city for an online vocational education course, the six-step process of data analysis was adopted to decompose the task according to the network data of the online platform and the basic idea of data analysis and visualization. Build a user behavior indicator system to extract data sources, implement analyze programming code, present data based on data map. Provide priority pilot cities for education platform managers to build offline courses by presenting results. Data analyze & visualization can better serve offline course construction project, save cost and drive business growth.