In recent years, solar panels have become much more economical, and therefore more popular. But because of the curvature of the Earth, the angle at which you need to install the panels varies, depending on where you live. In this example, I demonstrate…
Tag: analytics
Several ways to look at US unemployment data
The US unemployment rate was down to 4.4% in April, which is the lowest we’ve seen since before the big recession (about 10 years ago). But a single number seldom tells the whole story, so let’s look at unemployment data in several different ways, to g…
Explaining analytics: On craftsmanship
In the Tuscan hilltop village of Montepulciano, a tourist can visit the shop of Coppersmith Cesare Mazzetti. But Mazzetti is not just running his family’s traditional business, he’s demonstrating all the qualities of a historic craftsman. The visitor may see him work and have him show you photographs of some of […]
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When do fatal crashes happen?
I recently saw an interesting data visualization on the flowingdata website, which analyzed & compared the causes of fatal crashes in the US, by month and time-of-day. At first I thought it was a really cool visualization, but after I studied it a while, I realized that I had misinterpreted […]
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Will your next car be made in China?
Building cars is towards the top of the manufacturing hierarchy – some countries are even known for the cars they build. If you want a good quality car, you probably think of Japan. If you want a stylish sports car, you probably think of Italy. If you …
People using smartphones while driving – the numbers are in!
You’re sitting in a line of cars at the intersection, waiting for the light to change – when it finally turns green, the 2nd car just sits there for several seconds until someone honks at them, and then they scoot through the light … but everyone behind them has to […]
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Airlines involuntarily bumping passengers off flights – let’s look at the data…
You’ve probably all seen the images of the passenger being forcibly removed from a United Airlines flight, to make room for airline staff flying on standby. The incident caused quite a bit of negative publicity, and quickly wiped out a quarter billion …
Let’s analyze 32 years of basketball tournament data!
Here in the US, it’s the nationwide men’s college basketball tournament season! Therefore let’s use some data from the previous years’ tournaments to sharpen our analytics & visualization skills… But before we get started, I must mention (brag?) that my alma mater, NC State University, won this tournament in 1983. […]
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