Articles by Nathan

Leave-one-out subset for your ggplot smoother

August 8, 2018 | 0 Comments

I have a dashboard at work that plots the number of contracts my office handles over time, and I wanted to add a trendline to show growth. However, trendline on the entire dataset skews low because our fiscal year just restarted. It took a little trial and error to figure ... [Read more...]

Is GINA really about to die?!?

July 13, 2018 | 0 Comments

Introduction During a recent negotiation of an informed consent form for use in a clinical trial, the opposing lawyer and I skirmished over the applicability of the Genetic Information Nondiscrimination Act of 2008, commonly known as GINA. Specifically, the opposing lawyer thought that guidance issued by the U.S. Office for ... [Read more...]

Exercise dashboard

March 4, 2018 | 0 Comments

I posted a while back about using joy plots for heart rate data. Over the past couple of months, I grew tired of opening RStudio every time I wanted to look through my fitness tracker data. I decided to create a shiny dashboard that I can load via web browser. ... [Read more...]

Interactive BMI Chart

January 22, 2017 | 0 Comments

I was recently listening to the #WhoIsFat Joe Rogan podcast where comedians Bert Kreischer and Tom Segura had their weight loss challenge weigh-ins. The challenge was for both guys to get out of the “obese” category and into the merely “overweight” category. If one made it and the other didn’...
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Visualizing Arkansas traffic fatalities, part 4

October 24, 2016 | 0 Comments

This is the latest post in a series analyzing Arkansas traffic fatalities. Please take a look at parts 1 (a map of 2015 traffic deaths), 2 (heat maps of fatalities by day from 2000-2015), and 3 (heat maps of fatalities by day of week from 2000-2015) if you haven’t already. Visualizations Today’s ... [Read more...]

Visualizing Arkansas traffic fatalities, Part 3

October 16, 2016 | 0 Comments

This is the latest post in a series analyzing Arkansas traffic fatalities. Please take a look at part 1 (a map of 2015 traffic deaths) and part 2 (a heat map of all fatalities, both nationwide and in Arkansas, from 200-2015) if you haven’t already. Visualizations Today’s visualization piggybacks off part 2, ... [Read more...]

Visualizing Arkansas traffic fatalities, Part 2

September 30, 2016 | 0 Comments

A couple of weeks ago, I posted a map of the traffic fatalities in Arkansas in 2015. The data came from the NHTSA, and the graphic I posted was just scratching the surface. I’ve sliced the data a couple of different ways and created three more sets of visualizations about ... [Read more...]

Visualizing Arkansas traffic fatalities

September 15, 2016 | 0 Comments

Nathan here again with another guest post. I recently started a master’s program at UALR in information science, so I’ve been following several blogs on statistical programming and visualization. One of the best sites I’ve found is R-bloggers, which is dedicated to the popular statistical programming language ... [Read more...]

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