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|    comp.ai.fuzzy    |    Fuzzy logic... all warm and fuzzy-like    |    1,275 messages    |
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|    Message 442 of 1,275    |
|    Fuzzy to All    |
|    Fuzzy Prediction from grouped data    |
|    16 Apr 05 12:22:49    |
      XPost: comp.soft-sys.matlab       From: not@here.com              Hi,              Newbie.              The examples I've seen in the fuzzy world all relate to categorising one       item of data at a time.       Are there any straightforward "standard" paradigms out there to classify a       data item based on grouped data results?              For example, say I have this training data set.              X =1,2,1,3,4,2,4,1 (interval category)       Y= 3,6,3,6,8,3,4,1 (response)              As we can see from this toy data the highest or "best" response may be seen       to be around 4 tailing away from this.              So, when I have a new data item to classify, say a 3, I can give a       prediction for its response. Linguistically, I would wish to classify as a       "Preference", Say "most preferred", "neutral", "least preferred" - I know       how to defuzz, I'm just stating this to give a flavour of what I'm after.              I know I can use standard distribution stats such as mean and standard       deviation, but I wondered how the fuzzy world would view this problem. In       fact would a method be to formulate the fuzzy sets based on such       distribution stats.              Any thoughts, references etc appreciated.              TIA              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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