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Good plot, bad plot

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August 07, 2025
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Good plot, bad plot

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Riinu Pius

August 07, 2025
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Transcript

  1. Essential skills for global research: Good plot, bad plot.

  2. The weird and wonderful world of plots: https://www.r-graph-gallery.com/

  3. Three main pitfalls: •No labels •Bad scale/size •Wrong plot type

  4. Three main pitfalls: •No labels •Bad scale/size •Wrong plot type

  5. Three main pitfalls: •No labels •Bad scale/size •Wrong plot type

  6. Pitfall 1: No labels

  7. None

  8. Pitfall 2: Bad scale or plot size Before the project

  9. Pitfall 2: Bad scale or plot size Before the project

    After the project

  10. Pitfall 2: Bad scale or plot size

  11. Pitfall 3: Wrong plot type

  12. Pitfall 3: Wrong plot type

  13. How did the number of visitors change over time? Ewen’s

    conference Riinu’s conference

  14. Barplots – much clearer Ewen’s conference Riinu’s conference

  15. Pitfall 3: Wrong plot type

  16. Pitfall 3: Wrong plot type 95% confidence interval that the

    global life expectancy is 66 years

  17. Global life expectancy

  18. Global life expectancy median vs mean

  19. Dynamite plot vs boxplot

  20. Summary •No labels •Misleading scale •Wrong plot type

  21. Summary •No labels •Misleading scale •Wrong plot type

  22. Summary •No labels •Misleading scale •Wrong plot type