economics

6 posts
Some like it packed, some like it piled, and some like it wrapped

In addition to Xan's "packed bars" (which I discussed here), there are some related efforts to improve upon the treemap. To recap, treemap is a design to show parts against the whole, and it works by packing rectangles into the bounding box. Frequently, this leads to odd-shaped rectangles, e.g. really thin and really tall ones, and it asks readers to estimate relative areas of differently-scaled boxes. We often make mistakes...

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What do we think of the “packed” bar chart?

Xan Gregg - my partner in the #onelesspie campaign to replace terrible Wikipedia pie charts one at a time - has come up with a new chart form that he calls "packed bars". It's a combination of bar charts and the treemap. Here is an example of a packed barchart, in which the top 10 companies on the S&P500 index are displayed: What he's doing is to add context to...

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The art of contaminating data

This is one of those innocent-looking charts that could have been a poster child for artistic embellishment. The straightforward time-series chart is deemed too boring. The designer shows admirable constraint in inserting “information-free” content, such as the dense gridlines (graph paper) and the 3D effect (ticker). Seem harmless but not really. Here I turn off the color. After the 3D effect is applied, the reader no longer knows whether to...

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Making people jump over hoops

Take a look at the following chart, and guess what message the designer wants to convey: This chart accompanied an article in the Wall Street Journal about Wells Fargo losing brokers due to the fake account scandal, and using bonuses to lure them back. Like you, my first response to the chart was that little has changed from 2015 to 2017. It is a bit mysterious the intention of the...

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A pretty good chart ruined by some naive analysis

The following chart showing wage gaps by gender among U.S. physicians was sent to me via Twitter: The original chart was published by the Stat News website (link). I am most curious about the source of the data. It apparently came from a website called Doximity, which collects data from physicians. Here is a link to the PR release related to this compensation dataset. However, the data is not freely...

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It’s your fault when you use defaults

The following chart showed up on my Twitter feed last week. It's a cautionary tale for using software defaults.  At first glance, the stacking of years in a bar chart makes little sense. This is particularly so when there appears not to be any interesting annual trend: the four segments seem to have roughly equal length almost everywhere. This designer might be suffering from what I have called "loss aversion"...

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Confuse, confuses, confused, confusing

Via Twitter, @Stoltzmaniac sent me this chart, from the Economist (link to article): There is simply too much going on on the right side of the chart. The designer seems not to be able to decide which metric is more important, the cumulative growth rate of vehicles in use from 2005 to 2014, or the vehicles per 1,000 people in 2014. So both set of numbers are placed on the...

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Light entertainment: Colorful circle of life

World Economic Forum can do better than this...  

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Making the world a richer place #onelesspie #PiDay

Xan Gregg and I have been at it for a number of years. To celebrate Pi Day today, I am ridding the world of one pie chart. Here is a pie chart that is found on Wikipedia: Here is the revised chart: It's been designed to highlight certain points of interest. I find the data quite educational. These are some other insights that are not clear from the revised chart:...

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Lines that delight, lines that blight

This WSJ graphic caught my eye. The accompanying article is here. The article (judging from the sub-header) makes two separate points, one about the total amount of money raised in IPOs in a year, and the change in market value of those newly-public companies one year from the IPO date. The first metric is shown by the size of the bubbles while the second metric is displayed as distances from...

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