How to Evaluate the Productivity of Software Ecosystem: A Case Study in GitHub

Figure 3

Model predictive value vs. real primary productivity. (a) The Moby project primary productivity predictions compared to real primary productivity. (b) The GitBook team’s primary productivity predictions compared to real primary productivity. (c) The Ruby language ecosystem primary productivity predictions compared to real primary productivity. The red line indicates the predicted value. The blue line represents the real value. The abscissa axis is the different month and the ordinate axis is the productivity of the ecosystem.

(a)

(b)

(c)