1. Data Analysis and Extraction: Conducted monthly analysis and visualization of unique IDs, phone numbers, and GAIDs since July 2023. Processed credit product call data for Filipino and Mexican phone numbers, extracting 10,000 unique numbers for clients.2. SMS Text Mining Project: Developed regular expressions to extract institution names, amounts, days, and times from SMS texts, enhancing data quality and accuracy.3. Feature Generation and Evaluation: Generated features and information based on extracted SMS data, calculated coverage rates and Information Value (IV) to assess feature quality and relevance.

1. Analyze company data through EDA, establishing clustering models, as well as web and sentiment analysis.2. Based on the analysis results, provide an analytical report to help the company convert short-term customers into long-term ones, improve customer retention rates, and promote business growth.

• Visualize and analyze the data of the price and scrap of the products in different months, and hence summarize the production condition and reduce cost by Power BI• Load Power BI data visualization reports into the financial digital system to assist company departments in digital transformation.

Explain Knowledge points and questions about macroeconomics to students