The clustering illusion is the tendency to erroneously consider the inevitable clusters arising in small samples from random distributions to be non-random.
The cluster illusion is so strong that game AI developers find that introducing biases (with filtered randomness) into video games’ RNG process will make it appear more “random” to humans. 1
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Footnotes
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Advanced Randomness Techniques for Game AI: Gaussian Randomness, Filtered Randomness, and Perlin Noise, Steve Rabin, Fernando Silva, Jay Goldblatt ↩