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Lisp neural net code

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  • troglodyte1984
    I m using the code found here - http://aima.cs.berkeley.edu/lisp/learning/algorithms/ - for an assignment I m doing for school (don t worry, I m not cheating).
    Message 1 of 1 , Mar 10, 2005
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      I'm using the code found here -
      http://aima.cs.berkeley.edu/lisp/learning/algorithms/ - for an
      assignment I'm doing for school (don't worry, I'm not cheating). I
      have a data set with which I'm testing the backpropagation of the
      neural net. The problem is that using the ACCURACY function (found in
      learning-curves.lisp) on the hypothesis outputted by NN-LEARNING I get
      an accuracy of:

      (ACCURACY -0.8285767177201122d0)

      How could my accuracy be negative?
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