Data Visualization: How (2 of 2)
What’s the Goal? and, Where to Begin?
I previously talked about the growing calls for effective data visualizations; we have access to all this great information, and there are insights in there somewhere – but we need just the right point of view to rise above the cloud of data and see the real opportunity. It helps if you have experienced that rush of insight when looking at a particularly impactful graphic; not just a good looking slide, it calls out …
What’s the Goal? and, Where to Begin?
I previously talked about the growing calls for effective data visualizations; we have access to all this great information, and there are insights in there somewhere – but we need just the right point of view to rise above the cloud of data and see the real opportunity. It helps if you have experienced that rush of insight when looking at a particularly impactful graphic; not just a good looking slide, it calls out something important in a particularly effective way. Haven’t we all watched that earnest TV lawyer pull the winning argument out of the blue [right before the final commercial break] and win the big case?
Of course, it’s not enough just to want it – you have to have a little reverse-engineering in your soul. You need confidence & bravado (I can and should be able to create those killer pictures), hunger & curiosity (how did they do that?), and confidence to know that you can – with a little hacking. It also helps to have the blissful ignorance to assume that it’s within your technical grasp.
Step 1: Find Someone who Knows – and Follow them Around!
I’m a big fan of the “follow him around” method for learning new technology – not classroom instruction, more like a series of specific examples of applied technology. I had seen plenty of examples of presentations that I thought were very effective, but I didn’t understand what was happening, what exactly was making them so effective. I had to find someone that could talk about putting together effective presentations – and had the good fortune to attend a seminar by Edward Tufte. Sure, you get some nice books, great to page through – but like most technical manuals, they don’t really make sense until you’ve watched Tufte deconstruct the graphics. I learned the importance of taking extraneous ink off the page, and how scale, color and shape can illustrate and/or obfuscate. I didn’t walk away from that experience with specific skills as much as clarified ideas – and a hunger and curiosity for more.
Step 2: Find Lots of Examples – and Steal some Inspiration!
Over the past few months, I’ve been following a number of blogs dedicated to ideas around information visualization – more skilled practitioners to follow around! The links below to take you to particularly interesting examples; your task is to subscribe to them all and regularly scan for ideas …
Information is Beautiful
- Great Visualizers: Mike Deal charts The Beatles – I don’t know exactly what that graphic is that shows the keys of Beatles tunes, but it looks cool – I want to figure out what it’s showing, and how to build one
- The Caffeine Poster, How Much Caffeine Are You Drinking? Made all the more interesting by this follow-on post, The Making of The Caffeine Poster
- 16 Infographic Resumes, A Visual Trend Resumes done in graphics? Well, maybe not for me, but these are great examples of packing a lot of information in a small area – and, making the message stand out in the crowd!
- Pink Floyd Timeline of Band Members
- 11 Ways to Visualize Changes Over Time – A Guide It’s not always about examples of applied data visualization – there are plenty of mini-tutorials gettin published, like this one
- Understanding Pie Charts Another techniques post, this one deconstructing peie charts. I never knew why I wasn’t a big fan of the pie, but this article points out a lot of stuff that’s pretty obvious (now that you mention it …)
- Haiti This blog is just a non-stop source of interesting examples
New York Times
- Another common source of terrific information visualizations is the New York Times – many folks blog about the most effective examples, even our friends at Ask ET
Step 3: Get Your Coding Hands Dirty!
Remember, after you are done being wowed by the presentation – figure out how you could build one.
- The old stalwart Excel comes with an ever growing list of graph types. Can’t find the one you want? Try to hack at the standard stuff using VBA!
- Sometimes a blog post will point you to some utilities. No, I never heard of Gource, but you can bet I’m looking for a project to use it with!
- Open source has a lot of interesting tools out there – from jQuery addins to full-blown BI suites – lots of tools to load up with your data.
Remember – get inspired, find some starting points, and get building! the only way to really understand how to create insightful, impactful visualizations is to do a lot of experimentation.
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