Posts Tagged ‘ Current Affairs ’

Planned redundancy

April 7, 2015
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Planned redundancy

The following Wall Street Journal caught my eye the other day: (Link to article) Looking closely, I realize that the four charts are identical, except for the call-outs. This is a kind of small-multiples in which the same data reside...

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Graphical forms impose assumptions on the data

April 2, 2015
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Graphical forms impose assumptions on the data

In a comment to my previous post, reader Chris P. pointed me to the following set of maps, also from the New York Times crew, on the legalization of gay marriage in the U.S. (link) (For those who did not...

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Designers fuss over little details and so should you

March 25, 2015
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Designers fuss over little details and so should you

Those who attended my dataviz talks have seen a version of the following chart that showed up yesterday on New York Times (link): This chart shows the fluctuation in Arctic sea ice volume over time. The dataset is a simple...

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Bumps chart goes mainstream

March 19, 2015
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Bumps chart goes mainstream

It’s a happy day when one of my favorite chart types, the Bumps chart, makes it to the Wall Street Journal, and the front page no less! (Link to article) This chart shows the ground shifting in global auto production...

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Reading some wild traffic statistics from New Zealand

March 19, 2015
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Only 6% of crashes in New Zealand involve foreign drivers, according to the latest figures provided by the Ministry of Transport. But in some remote regions of the South Island particularly popular with tourists for their scenery... foreign drivers are involved in about a quarter of all crashes. These sentences come from a CNN article about a vigilante movement in those regions popular with tourists. The vigilantes snatch car keys…

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Observing Rosling’s Current Visual Style

March 12, 2015
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Observing Rosling’s Current Visual Style

On the sister blog, I wrote about Hans Rosling’s recent presentation in New York (link). I noted that Rosling has apparently simplified his visual palette. Rosling is best known as the developer of the Gapminder tool, used to visualize global...

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Some data science principles from Gelman, Rosling and me

March 6, 2015
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Some data science principles from Gelman, Rosling and me

I discovered Hans Rosling's Gapminder work when I first started Junk Charts almost ten year ago, with this series of posts. So I was very excited to meet Hans yesterday at the Data, Children and Post-2015 Agenda Event hosted by the UNICEF Data and Analytics Section. And he gave a marvellous talk. I came away touched in equal parts by his humanity, the animated passion for his subject, and the…

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Composite ranking and numbersense

February 25, 2015
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Composite ranking and numbersense

Chapter 1 of Numbersense (link)uses the example of U.S. News ranking of law schools to explore the national pastime of ranking almost anything. Since there is no objective standard for the "correct" ranking, it is pointless to complain about "arbitrary" weighting and so on. Every replacement has its own assumptions. A more productive path forward is to understand how the composite ranking is created, and shine a light on the…

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A startling chart about income inequality, with interpretative difficulties

February 24, 2015
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A startling chart about income inequality, with interpretative difficulties

Reader Robbi B. submitted the following chart posted to Twitter by Branko Milanovic: The chart took a little time to figure out. This isn't a bad chart. Robbi wondered if there are alternative ways to plot this information. The U.S....

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Anyone still remember Groupon?

February 18, 2015
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Anyone still remember Groupon?

I just did a guest lecture at a New School journalism class. While preparing for the class, I pulled the sad stock chart for GRPN (Groupon): If you bought the hype in 2011, you'd have lost 70% of your investment ($25 to $7). Given what we know today, it's hard for people to feel the hype that the media helped fuel in those days. As a reminder, here is the…

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