I know the data for this aren't publicly available, but I'm curious about this analysis for HN. E.g.: Which commenters have lots of highly upvoted comments an

I know the data for this aren't publicly available, but I'm curious about this analysis for HN. E.g.: Which commenters have lots of highly upvoted comments and highly downvoted comments? Which comments receive lots of upvotes and lots of downvotes? Which comments experience significant swings / oscillations in score over time?