The popularity rating of racc explained

Github Repository Rubygem
The highest rated repository is rails/rails with 27628 watchers and 11097 forks, resulting in a Github score of 100.00 The highest rated Rubygem is rake with 80681154 total downloads
These are the references for the score, marking the popularity of 100%
Now, the repository for racc over at tenderlove/racc has got 228 watchers and 38 forks, resulting in a Github score of 0.50 Now, the gem racc has got 584222 total downloads
Therefore, the relative popularity percentage can be calculated for racc
0.50 watchers & forks * 100% = 0.50%
100.00 top score
584222 total downloads * 100% = 0.72%
80681154 top score
The average of those two values results in the score:


So, assuming everyone is using the most popular projects,
roughly one out of 100 Rubyists use racc

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