Wendover Productions explains basic economics of airline classes. The passengers in first class and business, assuming seats are occupied, make much more for airlines than the economy class. Sounds familiar.
Economics of airline class
10 Best Data Visualization Projects of 2015
These are my picks for the best of 2015. As usual, they could easily appear in a different order on a different day, and there are projects not on the list that were also excellent.
Visualizing the Uncertainty in Data
Data is an abstraction, and it’s impossible to encapsulate everything it represents in real life. So there is uncertainty. Here are ways to visualize the uncertainty.