The popularity rating of gritter 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 68592087 total downloads
These are the references for the score, marking the popularity of 100%
Now, the repository for gritter over at RobinBrouwer/gritter has got 528 watchers and 66 forks, resulting in a Github score of 1.14 Now, the gem gritter has got 94974 total downloads
Therefore, the relative popularity percentage can be calculated for gritter
1.14 watchers & forks * 100% = 1.13%
100.00 top score
94974 total downloads * 100% = 0.14%
68592087 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 gritter

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