What is the primary statistical measure used to determine if a subreddit's user base is disproportionately composed of bots?

The primary statistical measure is the Benford's Law analysis applied to the distribution of leading digits in user IDs and post timestamps. Benford's Law predicts that in many naturally occurring sets of numbers, the digit 1 will appear as the leading digit about 30% of the time, and larger digits occur as the leading digit with lower frequency. A significant deviation from Benford's Law in the leading digits of either user IDs or post timestamps within a subreddit suggests artificial activity. User IDs are sequential integers, thus if disproportio....