Falling test scores, and mediocre English Language performance have plagued Rockteship schools over the past year, as shown in
graphs at the bottom of this post.
Note that government reported sales for book retailers hit its lowest level since 2002, and adjusted for inflation (
graph at bottom of page) bookstore sales (excluding online) are way down.
The rose diagram describes the distribution of swell directions and swell sizes, while
the graph at the bottom shows the same thing but without direction information.
The Digital Foundry team, in the video has shown
a graph at the bottom of the screen which compares the frame rate consistency of the game while it is running.