Why comparative effort prediction studies may be invalid

  title={Why comparative effort prediction studies may be invalid},
  author={Barbara A. Kitchenham and Emilia Mendes},
Background: Many cost estimation papers are based on finding a "new" estimation method, trying out the method on one or two past datasets and "proving" that the new method is better than linear regression. Aim: This paper aims to explain why this approach to model comparison is often invalid and to suggest that the PROMISE repository may be making things worse. Method: We identify some of the theoretical problems with studies that compare different estimation models. We review some of the… CONTINUE READING
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