The popularity rating of bcrypt-ruby explained

Github Repository Rubygem
The highest rated repository is rails/rails with 30890 watchers and 12525 forks, resulting in a Github score of 99.99 The highest rated Rubygem is rake with 111305426 total downloads
These are the references for the score, marking the popularity of 100%
Now, the repository for bcrypt-ruby over at codahale/bcrypt-ruby has got 951 watchers and 145 forks, resulting in a Github score of 1.79 Now, the gem bcrypt-ruby has got 15419446 total downloads
Therefore, the relative popularity percentage can be calculated for bcrypt-ruby
1.79 watchers & forks * 100% = 1.79%
99.99 top score
15419446 total downloads * 100% = 13.85%
111305426 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 12 Rubyists use bcrypt-ruby

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