05 Data visualization
Defining data visualization and knowledge buiding
Are charts really useful for decision-making?
For many of us this is a provocative question. Haven’t Tufte, Few, Cleveland and many others proved that, beyond reasonable doubt? Isn’t there a prosperous industry based on the obvious usefulness of charts and information visualization? Is everyone wrong? Let me play devil’s advocate here. A large majority of charts you’ll find in the corporate … Read more
Charting tips 001: Do you really need a chart?
A chart is just one of the available tools to communicate and help you and your audience to understand the data; sometimes using a chart is just plain wrong: if variation seems random or non-existent, what’s the point of displaying the data graphically (yes, I know, sometimes that’s what you want to show)? So, take … Read more
How I won the Nobel Prize
Al Gore and the U.N.’s Intergovernmental Panel on Climate Change won the 2007 Nobel Peace Prize. Why? Why Al Gore? Thousands of scientists have been warning about the climate change for years. Why not them? Because of his political weight? Of course, but not only that. Because he learned (the hard way) how to communicate … Read more
Charts to understand the world (and understand the charts)
Charting, information visualization, business visualization, graphic literacy, dashboards, bad charts, good charts. How to do, why don’t do. Plus Excel and other tools. These are the topics you will find in this blog. That’s a promise. Although this is the beginning of a new blog, I’ve been writing about these things for the last 10 … Read more