Data Visualisation

The concept of using pictures to understand data has been around for centuries, from maps and graphs in the 17th century to the invention of the pie chart in the early 1800s. But over time, this concept took quite unimaginable scale.
Nowadays data visualization is both an art and a science. One of the great strengths of data visualization is our ability to process visual information much more rapidly than verbal information.
But what is going on today?

“We are suffering from information overload or data glut. So, visualizing information, so that we can see the patterns and connections that matter and then designing that information so it makes more sense, or it tells a story, or allows us to focus only on the information that’s important. Failing that, visualized information can just look really cool.”

David McCandless. TED talks The beauty of data visualization
And what data visualisation can help you to see? It is different relationship to the numbers, patterns and connections between data inputs.

“A primary goal of data visualization is to communicate information clearly and efficiently via visual language. Effective visualization helps users analyze and reason about data and evidence. It makes complex data more accessible, understandable and usable. Users may have particular analytical tasks, such as making comparisons or understanding causality, and the design principle of the graphic  follows the task.”

Stephen Few-Perceptual Edge-Selecting the Right Graph for Your Message-2004

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