Visualizing Comparisons: Bar, Bullet, and Beyond (2026)
How to visualize comparisons between categories, periods, or targets. Bar charts, bullet charts, dot plots, and the decision table that picks the right one.
Xavier Fok
Visualizing Geographic Data: Maps That Tell the Story (2026)
How to visualize geographic data without misleading the reader. Choropleth, point, and flow map decisions, projection traps, and the right tools for 2026.
Visualizing Time Series Data: Complete Guide for 2026
How to visualize time series data without lying or losing the audience. Chart types, axis tricks, smoothing, and the decision table for choosing the right view.
Data Presentation for Executives: A Solopreneur Guide (2026)
How solopreneurs and small teams present data to executives, investors, or clients. Slide structure, chart choice, and the 60-second narrative that wins approval.
Avoiding Misleading Charts: 10 Common Mistakes (2026)
10 ways charts mislead and how to fix each. Real examples, the math behind the distortion, and an honest-charting checklist for analysts and solopreneurs.
Dashboard Design Principles That Actually Work (2026)
Build dashboards people actually use. Layout rules, KPI placement, interactivity patterns, and the design principles that turn data into decisions.
Color Theory for Dashboards: A Non-Designer’s Guide (2026)
Master color in business dashboards without a design degree. Practical rules for palettes, contrast, accessibility, and the colors to avoid in 2026.
Choosing the Right Chart Type: Decision Guide for 2026
Pick the right chart every time. A practical decision guide with chart-vs-use-case matrix, real business examples, and the chart types to never use.
How to Tell Stories with Data: A 2026 Practical Framework
Learn data storytelling without the buzzwords. A practical framework with chart picks, narrative structure, and examples solopreneurs and analysts can use today.
Excel VBA for Non-Coders: Practical Starter Guide (2026)
Learn Excel VBA from scratch with no coding background. Real solopreneur examples: loops, dialogs, file operations. From your first sub to a useful macro library.