The popularity rating of Chronic explained

Github Repository Rubygem
The highest rated repository is rails/rails with 25485 watchers and 10022 forks, resulting in a Github score of 100.00 The highest rated Rubygem is rake with 68560124 total downloads
These are the references for the score, marking the popularity of 100%
Now, the repository for Chronic over at mojombo/chronic has got 2070 watchers and 304 forks, resulting in a Github score of 5.04 Now, the gem chronic has got 5937762 total downloads
Therefore, the relative popularity percentage can be calculated for Chronic
5.04 watchers & forks * 100% = 4.75%
100.00 top score
5937762 total downloads * 100% = 8.66%
68560124 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 14 Rubyists use Chronic

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