5-Day Free Course · Data Visualization

Data Visualization: Charts That Communicate

From default matplotlib blobs to publication-quality figures. Matplotlib foundations, Seaborn statistical charts, interactive Plotly dashboards, and the design principles that separate charts that inform from charts that confuse.

5 days self-paced
Free forever
Text + external video refs
No signup required
$python main.py Loading course materials... $pytest -x --tb=short PASSED 5 days $git commit -m "day 5 done" [main] 1 file changed $
5
Days
35+
Code Examples
4+
External Videos
$0
Forever Free

No videos. On purpose.

This is a text-first course that links out to the best supporting material on the internet instead of trying to replace it. The goal is to make this the best course on data visualization and visual storytelling you can find — even without producing a single minute of custom video.

Practitioner-tested, not vendor marketing

This course is built by people who ship production data systems for a living. It reflects how things actually work on real projects — not how the documentation describes them.

Code you can run, not demos you can watch

Every day has working code snippets you can paste into your editor and run right now. The emphasis is on understanding what each line does, not memorizing syntax.

Links to the canonical sources

Instead of shooting videos that go stale in six months, Precision AI Academy links to the definitive open-source implementations, official documentation, and the best conference talks on the topic.

Completes in 5 one-hour sessions

Each day is designed to finish in about an hour of focused reading plus hands-on work. You can do the whole course over a week of lunch breaks. No calendar commitment, no live classes, no quizzes.

The 5 Days

Each day stands alone. Read them in order for the full picture, or jump straight to the day that answers the question you have today.

The best external videos on this topic.

Instead of shooting our own videos, Precision AI Academy links to the best deep-dives already on YouTube. Watch them alongside the course. All external, all free, all from builders who ship this stuff.

Read the source. Every line.

The best way to understand any technology is to read the production-grade implementations that prove it works. These repositories implement patterns from every day of this course.

Three kinds of people read this.

Data Analysts Making Slide Decks

You spend hours in Excel making charts that still look wrong. This course teaches the Python workflow that produces better charts in less time.

Data Scientists Communicating Results

Your model is great. The chart explaining it is not. This course covers the design principles that make statistical results legible to non-statisticians.

Engineers Building Reporting Tools

You need to generate charts programmatically. This course covers the full Python visualization stack from static PDFs to interactive web embeds.

Want to Go Deeper in Person?

The 2-day in-person Precision AI Academy bootcamp covers data visualization and visual storytelling hands-on. 5 U.S. cities. $1,490. 40 seats max. June–October 2026 (Thu–Fri).

Reserve Your Seat