I aggregated the visualizations from my previous two posts on COVID-19 cases in Arkansas and the U.S. on a separate landing page. I wanted a quick place to look a few times a week at how my home state is handling the coronavirus pandemic (spoiler alert... [Read more...]

This is an extension of my previous post on visualizing COVID-19 in Arkansas, and the code used is similar. As such, I won’t bury the lede again by walking through the code first. Here’s the animation: Again, I’m using the plasma color palette from the viridis R ... [Read more...]

Throughout the COVID-19 pandemic, the main sources of information for case numbers in the State of Arkansas have been daily press conferences by the Governor’s Office (until recently, when they moved to weekly) and the website arkansascovid.com. I haven’t been particularly impressed with the visualizations used by ... [Read more...]

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...]

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...]

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...]

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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...]

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...]

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...]

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...]