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In the Marvel Movie "The Avengers," there's a scene in which Bruce Banner, looking for a piece of alien technology called the "tesseract," says that he is going to "rough out a tracking algorithm, just a basic cluster recognition." Is this a coherent thing to say? I'm a novice in statistics, but I have heard of cluster analysis and pattern recognition. Is cluster recognition used to refer to the same thing and what relation does it have to tracking algorithms? (Or did Bruce Banner lie?)

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    $\begingroup$ In light of the existence of an upvoted answer, I think this question is not too unclear to be answered. I'm voting to leave open. $\endgroup$ – gung Feb 16 '17 at 13:36
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To "recognise" something it must first exist, so you will be using a supervised algorithm while clustering is an unsupervised class of machine learning methods. Clustering algorithms group in terms of similarity, rather then recognize known patterns. So I'd say it sounds like another example where there is less science and more fiction in the movies and where unrelated geeky terms are used in random combination to sound scientific...

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