X4: An Uncertain and Frightening Journey

Dark Shadows Every Day

“This is a time of suspicion, a time when the past seems to penetrate the walls of Collinwood.”

I’m taking the week off so that I can test-drive some exciting new sedatives, but I don’t want to leave you unsupervised all week. You might get up to all kinds of mischief, who even knows. So I’ll tide you over with some strange bits of business that would never fit in a regular post.

Today, let’s talk about Markov chains. Andrey Markov was a Russian mathematician in the late 19th century, who came up with a way to describe systems with no memory — where the next thing that happens is only dependent on the current state, rather than what happened in the past.

You figure out how often the process moves from A to B, compared to when it goes from A to C, and then you can use probability…

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