| dataset personStats over person : Person { | |
| properties[name] | |
| column liked_by : Person.all.select(p | p.likes.includes(person)).size() | |
| column liking : person.likes.size() | |
| column disliked_by : Person.all.select(p | p.dislikes.includes(person)).size() | |
| column disliking : person.dislikes.size() | |
| column like_meter : liked_by - disliked_by | |
| } | |
| dataset otherStats over p : Person { | |
| properties[name] | |
| } |