Way back in 2012 I published a forecast that showed that the use of R for scholarly publications would likely pass the use of SAS in 2015. But I didn’t believe the forecast since I expected the sharp decline in SAS … Continue reading →
Tag: analytics
Rexer Data Science Survey: Satisfaction Results
by Bob Muenchen I previously reported on the initial results of Rexer Analytics’ 2015 survey of data science tools here. More results are now available, and the comprehensive report should be released soon. One of the more interesting questions on the survey … Continue reading →
What you see is what you get … maybe!
When using visual analytics, it’s important to realize that WYSIWYG (what you see is what you get) is not always true. By recognizing a few optical illusions and tricks, you might become a better data analyst … and have some fun along the way. Let’s start with the Koffka Rings […]
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A closer look at the teacher salary graph
Teacher salaries have been a hotly debated issue in our state for the past few years. In this blog post, I examine a graph that recently appeared in our local news, point out some deficiencies, and create an alternate graph. But before we get started, here’s a picture of my […]
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How does your favorite US national park stack up?
The US has almost 400 national parks, and has been keeping attendance data for about 100 years. With a holiday weekend coming up, I thought this would be a good time to crunch those numbers, and see how each park compares to all the others… I first saw the tip of […]
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Picking a surreal vacation destination in the US
Do you need help picking a summer vacation destination – one that’s not just great, but surreal? If so, this blog’s for you! It’s that time of the year again – I’ve got gobs of vacation time saved up, but I was drawing a blank on where to go… So I turned […]
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You don’t know squat about the Las Vegas housing market
How bad was the recent recession on the Las Vegas housing market, and what lingering side effects are still being felt? If you don’t know squat about real estate housing markets, then this blog post is for you! It takes a simple graphical look at some data that helps explain […]
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Is that a CSV file … or have you been drinking?
In this blog post I explore some of the open data police incident reports for Raleigh and Cary, while showing you the easy way to handle various types of CSV files. In recent years, many cities have set up open data websites, to share various kinds of data about their city. […]
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