I believe this is possible with some minor theme changes.
Prior discussion:
https://community.nodebb.org/topic/12751/topic-voting-like-adult-swim-boards-had/11
This plugin allows you to explore the keys in the database without logging into your database server.
https://github.com/barisusakli/nodebb-plugin-db-explorer
Using this plugin, it is possible to get some analytics like posts/topics/users created during specific time periods.