"Error Bars" on Tiled Heatmaps
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February 24, 2021
Heatmaps are a useful way of plotting 2-dimensional data, such as cross-tabulations. Adding "error bars" can seem non-intuitive, but expressing them in your visualization is possible with a small trick.
How Dream (or Anyone) Could Cheat in Minecraft Speedruns Without Anyone Noticing
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December 19, 2020
Recently, famous YouTuber Dream had his Minecraft speedrun records removed as a result of cheating. If he had cheated differently, would he have been able to evade detection?
Converting fields of lists into wide and tall formats in R
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December 03, 2020
If you have ever downloaded survey data, or any other kind of data, that has a field that is itself comma-separated, you may have found it annoying/difficult to reshape the data into a more useful form.
Pooled Testing for Viruses: How many tests can it save?
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November 26, 2020
Pooled testing is a method of increasing the efficiency of medical tests, such as COVID-19 detection tests. How efficient is it, though? That largely depends on what percentage of the population is infected.
Candy Combinations for Bundling
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November 13, 2020
What candies would work best in a bundle? Using rankings and correlations, popular candies can be grouped together for optimal combinations.
How to Get Survey Responses from Reddit
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November 12, 2020
If you need more data for a survey, you can use Reddit as a source of responses. In this article, we look at a few factors that affect the success of a survey posted to Reddit.
How Would the US Vote for a Candy?
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October 28, 2020
What would it look like if people across the US voted for a candy? Explore different results using different voting methods and different types of representation, such as a national vote versus the Electoral College.
Hashing Data to Memorable Phrases
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October 02, 2020
Do you have trouble memorizing long strings, but want to keep things easy to remember? Look no further than the new keyToEnglish package in R, now available on CRAN.
Calculating Similarity of Running Routes
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September 13, 2020
When working with path-like data, such as a run recorded by GPS, you may want to group near-identical routes together. With a handful of data, I demonstrate how similarities can be calculated to find duplicate runs, as well as make general comparisons between runs.
Dealing with Zeros and Negative Values with a Log Scale
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August 30, 2020
When plotting data, you may want to use a log-scale for most of your data, but zeros, near-zero values, and negative values make this impossible. With piecewise linear and logarithmic functions, however, this effect can still be achieved.
Visualizing Direction in Running Routes
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May 17, 2020
A relatively straightforward method of visualizing the direction of a running path using R and ggmap. This also works for any sort of path data in general.
How Likely Are You to be Banned From Reddit?
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April 08, 2020
How Likely Are You to be Banned From Reddit? I got a bot for that.
Outliers in a Triathlon
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February 26, 2020
How do you identify an "outlier" in a triathlon?
Hiding Data in Images
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February 23, 2020
Images are one of the most common types of data that people view on the internet, but could they be hiding more than the eye can see?
Visualizing My Runs in 2019 (and 2018)
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January 20, 2020
A visualization of my runs in 2019 using R, with buttons allowing comparisons for my runs in 2018.
Hong Kong on Reddit
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September 22, 2019
The recent Hong Kong protests have garnered much media attention. Reddit, one of the largest social media communities, has its own communities with different takes on the protests. Here, we take a look at four notable ones.
Pacing at the Boston Marathon
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May 04, 2019
Insights and animated charts of the paces and splits of Boston Marathon runners.
Puns, Ranked from Best to Worst
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April 01, 2019
After 508 individuals each rated some puns, I sorted them by average score. How far down the list can you go?
Modeling Heart Rate Recovery with Nonlinear Regression
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January 09, 2019
Nonlinear regression models can succeed where linear models fail and highly complex models cannot be interpreted. Using heart rate data I collected from my runs, I demonstrate how my heart rate recovers after stopping as a function of temperature and rest time.
What is my Lottery Ticket Actually Worth?
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December 09, 2018
When you buy a lottery ticket, how much is it worth to you? Is the giant jackpot the main draw, or do you find the other prizes alluring? Using expected utility, we can see that tickets are worth much less than you may already think.