VizWiz

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March 2, 2021

How to Create a Circle Timeline

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A circle timeline or bubble timeline is a way to display a series of dates on a timeline with a measure used to size the circles and, optionally, another measure to color the circles. 

A circle timeline combines a time series, a dot plot, and packed bubbles into the same view.

June 10, 2018

Makeover Monday: Tourism Density Index

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For week 24, Eva presented us with something called the tourism density index, which basically means how many tourists come into a country compared to that country's population. Here's the original viz:


What works well?

  • Really good explanations for how they define overtourism and undertourism and examples for each
  • Providing the exact figures for each country
  • Colors are easy enough to distinguish
  • Sorting the countries from lowest to highest
  • Splitting the view between the highest 9 and the lowest 9

What could be improved?

  • Circles are inherently difficult for comparisons. Are they measure by area or diameter? Either way, the circle in a circle in overkill.
  • Why does the size of the light green circle change once the dark green circle is a larger value? That makes no sense at all.
  • If the exact numbers were not included, it would be impossible to compare countries.
  • Why show the top 9? That seems like an unusual way to select the countries.

My Goals

  • Focus on either the raw values or the percentages. I'll figure this out once I explore the data.
  • Make it easier to compare countries.


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