Weekly Viz 2024-10-07
US Office Visit Recovery Rate With more and more tech companies adjusting their return-to-office (RTO) policies, Amazon became the first big tech requiring ...
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Weekly Viz 2024-09-30
US Business Applications The dataset I visualized this week is from the Federal Reserve Bank of St. Louis – monthly business applications (all NAICS and hig...
Beyond Line and Bar Charts: 7 Less Common But Powerful Visualization Types
Step up your data storytelling game with these creative and insightful visualizations In a previous article, I shared my journey of creating one visualizati...
Weekly Viz 2024-09-23
McDonald’s Nutrition Facts I am writing an article on some less common but useful visualization types. I plan to use my own Tableau visualization as example...
Weekly Viz 2024-09-16
U.S. Social Media Platform Usage The data I am visualizing this week is the U.S. social media usage data from Pew Research Center. This report has interesti...
Seven Common Causes of Data Leakage in Machine Learning
Key Steps in Data Preprocessing, Feature Engineering, and Train-test Splitting to Prevent Data Leakage When I was evaluating AI tools like ChatGPT, Claude, ...
Weekly Viz 2024-09-09
Swiss Public Transportation Usage I just came back from Switzerland. Two things that impressed me the most are the stunning scenery and the great public tra...
Weekly Viz 2024-09-02
Monthly Job Openings Rate The visualization dataset this week also comes from the U.S. Bureau of Labor Statistics. It is the job openings rate report on the...
Reading Notes 2024 Jul - Aug
My Medium Articles! In the past two months, I continued writing data science and AI contents on Medium. I am super excited to have more than 1k followers no...
ChatGPT vs. Claude vs. Gemini for Data Analysis (Part 3): Best AI Assistant for Machine Learning
How AI can accelerate your ML projects from feature engineering to model training Context Welcome back to the third article of my series, ChatGPT vs. C...