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Fast explanations of scored observations

  • US 5,745,654 A
  • Filed: 02/13/1996
  • Issued: 04/28/1998
  • Est. Priority Date: 02/13/1996
  • Status: Expired due to Term
First Claim
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1. A computer system for providing explanations of scored values for observations, comprising:

  • a database storing a plurality of observations, each observation having a value for each of a plurality of same input variables, and a score value for an output variable produced by a neural network;

    a neural network that receives observations and produces an output score for the observation based on the values of the input variables;

    a computer readable memory including;

    a table including for each of the input variables, a set of a variable number of percentile bins, each percentile bin of an input variable associated with an expected score value for the output variable, the expected score value determined by an average of score values of observations having values for the input variable within the percentile bin, at least one percentile bin of each input variable associated with an explanation of the percentile bin;

    a computer program that receives a new observation and score value from the neural network and determines from the table the percentile bin with an expected score value that is closest to the score value of the new observation, and provides the explanation, if any associated, with the determined percentile bin to a user.

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