Ever wonder how many different people contribute to a project on average, or how many commits the average contributor is responsible for? What about the size of the average patch and how many files it touches?

In The impact of language choice on github projects, Aldo Cortesi attempts to answer these questions and more by analyzing some 1.5 million commits made by 20 thousand contributors across 30 thousand active GitHub repositories and presents his findings in a series of graphs with commentary:

graphs

Interesting stuff.

Aldo has made the entire dataset available as a PostgreSQL dump file and is taking suggestions for refinements or expansions to the data. So get analyzin’!