Let’s say you’re developing a game and you want to see who your most profitable players are. Imagine you’ve got a power-law so heavy-tailed you don’t even have a mean. You want to estimate your shape parameter and your statistics are all over the place as expected (no pun intended). Looks like you’re going to have to chop off that long tail and treat it separately. Looks like you’re going whale hunting.
In the casino industry, so-called “high-rollers” are often referred to as whales. It’s easy to see why: while they might come in with an attitude of being able to beat the house by wagering enough money, ultimately they wind up providing the biggest payouts to the casino. A somewhat disparaging term, to be sure, but it’s easy to understand how casinos view their revenue stream: lots of small change with the occasional big kill. Continue Reading…
3








