The popularity rating of DataMapper 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 105332611 total downloads
These are the references for the score, marking the popularity of 100%
Now, the repository for DataMapper over at datamapper/dm-core has got 753 watchers and 157 forks, resulting in a Github score of 1.64 Now, the gem dm-core has got 2540227 total downloads
Therefore, the relative popularity percentage can be calculated for DataMapper
1.64 watchers & forks * 100% = 1.64%
99.99 top score
2540227 total downloads * 100% = 2.41%
105332611 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 33 Rubyists use DataMapper

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