The Holy Donut Algorithm

holydonutHoly Donut owner Leigh Kellis has an evolving set of rules that help her determine just how many doughnuts to make on any given day so there are just enough without having any left unsold at closing time.

Check out this article in today’s Press Herald to read more about it.

So Kellis took careful notes on the constellation of factors that seemed to impact doughnut demand…In some cases, demand varied, inexplicably from week to week. Sales dropped by 20 percent the week after Labor Day, for instance. The next week, they jumped by 10 percent.

But other, unique buying patterns also started to emerge.

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