[deskglass]

His analysis was better than mine in that he weighed content by persistence. Still, for what it's worth, I found that when edits were weighed by length, the 1000 most frequent editors dominated.

[cayblood]

Depends on how well you calculate length. Miniscule edits can produce enormous diffs.

[deskglass]

That's true. I forgot to mention that I capped the lengths of negative edits to 10.