This article demonstrates a complete Python workflow—using aiohttp and asyncio to crawl nationwide university information, processing the JSON data into CSV files with pandas, and visualizing the results in Tableau—providing a practical guide for large‑scale data collection and analysis.
This article highlights the critical role of visual communication in data analysis and presents a curated collection of books covering Python, R, Excel, Tableau, and other tools, offering readers practical guidance to create compelling charts and improve storytelling with data.
This article explains how data-driven decision making evolves from simple Excel and Python analysis to robust data warehouses, introduces star‑schema dimension modeling, and demonstrates practical integration of Alibaba Cloud MaxCompute with Tableau for interactive OLAP‑style analytics.
This article walks through a comprehensive analysis of a 3.43 GB sales dataset from a Brazilian automotive service chain, covering data loading, cleaning, exploratory visualizations, time‑series forecasting with ARIMA, RFM customer segmentation, product clustering, and key business insights using Python and Tableau.
Using a dataset of over 9 million baby records and 30 000 transaction entries, this analysis explores market trends, seasonal sales patterns, product popularity, and user demographics in China’s mother‑baby e‑commerce sector, revealing the impact of holidays, promotional events, and low repeat‑purchase rates on overall performance.
This article outlines the ten most sought‑after technical skills for IT professionals in 2019, covering DevOps, Hadoop, Python/Django, data‑science tools, machine learning, AI, RPA, AWS, Tableau, and digital‑marketing analytics, with market trends and certification guidance.
This article recounts a year-long journey to become a data mining engineer, explaining the role’s value, required skills, tools such as Excel, Tableau, SQL, Python, Scala, Spark, and machine‑learning techniques, and offers practical steps for aspiring professionals.
