March 14, 2026
Jacky Fan
Line Chart vs Bar Chart: When to Use Each
Struggling to choose between a line chart and a bar chart? Master data visualization with this guide. Learn when to use each with real-world examples.
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November 24, 2025
Jacky Fan
Different Types of Line Graphs (and When to Use Each One)
9 Types of Line Graphs Explained: Simple, Multiple, Step, Smoothed, Area, Ribbon, Small Multiples, Sparklines & Polar — Learn exactly when to use each, avoid common pitfalls, and create clear, professional data visualizations.
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November 17, 2025
Jacky Fan
The Evolution of Statistical Graphics: From Bar Charts to Dashboards
Trace the evolution of data visualization from Playfair to modern dashboards.
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November 9, 2025
Jacky Fan
William Playfair: The Rogue Genius Who Invented the Graphs You See Everywhere
Discover William Playfair, the forgotten genius who invented bar charts, line graphs, and pie charts in the 1780s. Explore his rogue life and lasting impact on data visualization.
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November 5, 2025
Jacky Fan
The History of Line Graphs: How One Scottish Engineer Changed Data Visualization Forever
Explore the fascinating history of line graphs, from William Playfair’s 1786 invention to the digital visualization revolution.
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