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Bars and lines: méfiez-vous des morceaux choisis

So, this data visualization thing is new to you, but you already know enough to avoid basic mistakes (pies, 3D...). While playing with the data, you make these two charts: You already know that a bar [...]

By | September 13th, 2012|Categories: 14 Effective design, Chart Types|Tags: , |8 Comments

And now you know why

I spent the last two weekends among kings and witches, foxes and wolves, dumb men and devious women, visiting castles in Scotland and villages in Africa. Two weekends of great storytelling. One little thing bothered [...]

By | September 10th, 2012|Categories: 14 Effective design, Design|Tags: |1 Comment

Bamboo charts: People at risk of poverty or social exclusion

Here is the percentage of people at risk of poverty or social exclusion in the European Union and a few other countries: We are going to resist the urge to identify them and use our [...]

By | July 16th, 2012|Categories: 08 Order and ranking, Chart Types|Tags: |11 Comments

That’s not data visualization

What is wheat and what is chaff? Here is a list to help you take sides: If you want to fit the data into the shape of real-world objects, that's not data visualization; If you [...]

By | July 3rd, 2012|Categories: 14 Effective design, Design|Tags: |7 Comments

The Horizon Graph Is a Reorderable Matrix Too: Unemployment Rate 1976-2012

Here is the draft result of my little weekend project, making horizon graphs in Excel: I'm probably using too many color bands, but I like it! The horizon graph is a very compact way to [...]

Animation, Small Multiples or the Reorderable Matrix? Growth of Walmart, Excel Edition

In data visualization, animation is overrated. OK, it's an interesting option if you can see a clear pattern emerging when displaying data over time/space (and, thanks to animation, we were introduced to this communicator extraordinaire [...]

By | June 7th, 2012|Categories: 13 Chart types: profiles, Chart Types|Tags: |9 Comments