The 2015 NBA finals between the Cleveland Cavaliers and the Golden State Warriors has been one of the most exciting series in recent years.  The underdog Cleveland Cavaliers are up 2-1 and game four is scheduled for tonight.  In this write-up, chart-it looks at each player’s share of their team’sRead More →

This is part two of our four-part series exploring system data from the DMV area’s Capital Bikeshare system.  This post is all about the sturdy workhorse of the bikesharing system, the bright red bike-tank that has become a staple of the DC backdrop.  We’ll explore bike activity and workload patternsRead More →

I was exploring the Social Security Administration’s U.S. baby names data set for interesting trends in baby names (no, I’m not expecting, just curious). There are lots of interesting analyses that can be done with this gigantic data set of baby names from 1880 to 2013. The first write-up will look atRead More →

The three dashboards below compare a selection of 278 NBA/ABA greats across three categories of metrics (offensive, defense, and other) over the course of their careers. The x-axis reflects each player’s career by season (e.g., rookie year is season ‘1’, etc.). All data sourced from Offensive Metrics Defensive MetricsRead More →

Has the price of crude oil become more or less volatile over time? Gleaning at the news, it would seem that the price has become significantly more volatile with, perhaps, the growing number speculators to blame. Let’s take a look at the data.   Let’s take a look at theRead More →

The average monthly price of Brent crude oil fell approximately 20.7 percent in December. How does this compare to Brent’s historical price volatility? The chart below shows the frequency of certain percentage changes in the average monthly price of Brent from May 1987 to December 2014. The average monthly priceRead More →

Visualizing 30 years of airplane accidents (1984-2014) in three interactive dashboards (map, ranking, and time series). All data sourced from Notes: Ground deaths (i.e., deaths of those who are not passengers or flight crew) are excluded from the fatalities figures. The figures in the dashboards below are not normalized. ForRead More →