Maybe, if I had been collecting data throughout my karate journey, it would look something like this. Or maybe it would look nothing like this at all. The visualization above isn't real. I didn't track every hour I spent in class or practicing at home. I don't have a record of every technique I learned, every failed attempt, every injury or setback. I certainly didn't assign a value to my confidence each week or record every moment I felt frustrated, nervous, encouraged, or proud. Those are...

Yes, I’m biased when it comes to BI tools. But I’d call it an informed bias. Over the years, I’ve worked across a wide range of business intelligence platforms. Some were fast. Some were flexible. Some were enterprise-friendly. But in my experience, no tool compares to Tableau when it comes to visually presenting a data story. That perspective didn’t come from marketing or certifications. It came from exposure. I’ve had the opportunity to work alongside people I consider some of the best in...

A recent conversation among data-visualization practitioners kept returning to two themes that define every great dashboard: purpose and...