About Aaron Pitt
Hi, I'm Aaron Pitt — a data professional and the creator of Useful Data Tips. I built this site to share the quick, practical knowledge that data professionals actually need, in a format you can read in 35 seconds or less.
Background
I work across the full data stack — from SQL and database design to Python analysis, Excel modeling, data visualization, and machine learning. Every tip on this site comes from real-world experience solving data problems.
What This Site Covers
- SQL: Query optimization, window functions, CTEs, and database design patterns
- Python: Pandas, data wrangling, automation, and scripting best practices
- Excel: Formulas, pivot tables, conditional formatting, and productivity shortcuts
- Data Analysis: Statistical methods, hypothesis testing, and analytical frameworks
- Data Visualization: Chart selection, dashboard design, and storytelling with data
- AI/ML: Machine learning concepts, model evaluation, and practical applications
The 35-Second Format
Every tip on this site is designed to deliver a clear, actionable answer in 35 seconds or less. No filler, no fluff — just the knowledge you need to move forward. For deeper dives, check out the Articles section.
The Tools Directory
Beyond tips, the site maintains a curated Tools Directory covering data visualization, data analysis, data cleaning, AI/ML, AI coding assistants, and data management tools — with community voting to surface the best options.
Get in Touch
Have a tip suggestion or feedback? You can submit a tip directly or find me on GitHub.