Here are some good examples of data analysis: 1. Marketing and advertising optimization: improve business conversion rate and customer retention rate by analyzing customer data and purchase behavior. 2. Operation analysis and performance management: By analyzing the operation data of an enterprise, we can monitor the company's strategy and objectives and make more informed decisions for managers. 3. Health care data analysis: By analyzing health care data, we can predict the occurrence and epidemic trend of diseases, improve patients' experience and improve clinical efficacy. 4. Financial risk management: by analyzing the financial market and economic trends, we can understand the risk status of individuals and enterprises, predict possible problems and take corresponding risk management measures. 5. Social media and online advertising: By analyzing user interaction data and online advertising effect, it provides better insight and improvement strategies for marketers.