Visualizing evolution in action: Dynamic fitness landscapes

Fitness landscapes were invented by Sewall Wright in 1932. They map fitness, or reproductive success, of individual organisms as a function of genotype or phenotype. Organisms with higher fitness have a higher chance of reproducing, and populations therefore tend to

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Posted in data visualization, research

Visualizing evolution in action: Density-dependence and sympatric speciation

Fitness landscapes were invented by Sewall Wright in 1932. They map fitness, or reproductive success, of individual organisms as a function of genotype or phenotype. Organisms with higher fitness have a higher chance of reproducing, and populations therefore tend to

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Posted in data visualization, research

Visualizing evolution in action: Survival of the flattest

Fitness landscapes were invented by Sewall Wright in 1932. They map fitness, or reproductive success, of individual organisms as a function of genotype or phenotype. Organisms with higher fitness have a higher chance of reproducing, and populations therefore tend to

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Posted in data visualization, research

It’s impossible to work your way through college nowadays, revisited with national data

Last weekend, I wrote a brief rant about how it’s far more difficult to work your way through college nowadays than 30 years ago. Some folks took it for a scientific study rather than the rant it was, and criticized

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Posted in analysis, data visualization

It’s impossible to work your way through college nowadays

Update (3/29/14): I’ve written up an analysis of national tuition cost trends in a new blog post. It turns out that Michigan State University’s tuition situation isn’t uncommon! Earlier today, I ran across a conversation about how the cost of

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The window of virality on Reddit

Have you ever wondered why most of the posts on Reddit’s front page are less than 12 hours old? Or why a post with a score of 4,000 is ranked below 3,000 score post? It all has to do with

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Posted in analysis, data visualization, reddit

The cost of war in Iraq and Afghanistan

For the past decade, the folks at iCasualties have been painstakingly keeping records of the fatalities in the wars in Iraq and Afghanistan. Unfortunately, a good portion of the data is presented as tables of numbers that most of us

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Harnessing Hashtagify.me and social network analysis to maximize your brand’s reach on Twitter

According to an August 2013 PEW report, 18% of all internet users use Twitter on a regular basis. That equates to roughly 500 million people signing into Twitter to check the latest tweets, news, and celebrity gossip every day. It’s

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Posted in analysis, tutorial

A Song of Ice and Fire by the numbers: Chapter titles

I’ve been catching up on the “A Song of Ice and Fire” book series lately and ran across an Amazon book review that had an interesting take on reviewing the books. Since each chapter is named after the character it

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Movies aren’t actually much longer than they used to be

Every year, I hear the same complaint about movies on the big screen: Movies are getting so damn long! We’re almost to the point that moviegoers should start demanding an intermission for some of these behemoths of film. But then

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