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Data Visualization Fundamentals

Five tracks from first principles to real business cases — chart choice, colour, dashboards and storytelling.

5 tracks · 22 lessons · ~2.5 hr

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Track 01

Foundations

Start here. Build the mental model that makes every later lesson click.

  1. What data visualization really isLesson · 6 min
  2. Why a chart beats a tableLesson · 5 min
  3. How the eye reads a chartLesson · 7 min
  4. Foundations knowledge checkQuiz · 4 min Quiz

Track 02

Visualization principles

The craft layer. Chart choice, colour, hierarchy, layout, whitespace.

  1. Choosing the right chartLesson · 9 min
  2. Colour that means somethingLesson · 8 min
  3. Visual hierarchyLesson · 7 min
  4. Layout & whitespaceLesson · 6 min
  5. Principles knowledge checkQuiz · 5 min Quiz

Track 03

Business dashboards

Apply the principles to real dashboards people use at work.

  1. Designing a KPI cardLesson · 7 min
  2. Executive dashboardsLesson · 8 min
  3. Operational dashboardsLesson · 7 min
  4. Analytical dashboardsLesson · 8 min
  5. Build challenge: clean up a cluttered chartInteractive exercise · 6 min Exercise

Track 04

Data storytelling

A dashboard shows data. A story makes someone act on it.

  1. Context comes firstLesson · 6 min
  2. Find the one insightLesson · 6 min
  3. Structure the narrativeLesson · 7 min
  4. Practice: build a data storyInteractive exercise · 8 min Exercise

Track 05

Advanced & real cases

Sharpen judgement on real, messy, business-grade examples.

  1. Dashboard critique modeInteractive exercise · 8 min Exercise
  2. Before vs after rebuildsLesson · 9 min
  3. Real business casesCase study · 10 min Case study
  4. Power BI & Tableau best practiceLesson · 9 min