Unsupervised learning demystified – Cassie Kozyrkov – Medium

Unsupervised learning sounds like a fancy way to say "let the kids learn on their own not to touch the hot oven", but it's actually a pattern-finding technique for mining inspiration from your data. Contrary to popular belief, it has nothing to do with machines running around without adult supervision, forming their own opinions about things. This post is beginner-friendly, but assumes you're familiar with the story so far: Check out these six instances. These photographs are just some pixel color data, but they're not accompanied by any labels. No worries, your human brain is pretty good at unsupervised learning.