Prediction Models for Software Fault Correction Effort

  • Authors:
  • William M. Evanco

  • Affiliations:
  • -

  • Venue:
  • CSMR '01 Proceedings of the Fifth European Conference on Software Maintenance and Reengineering
  • Year:
  • 2001

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Abstract

We develop a model to explain and predict the effort associated with changes made to software to correct faults while it is undergoing development. Since the effort data available for this study is ordinal in nature, ordinal response models are used to explain the effort in terms of measures of fault locality and the characteristics of the software components being changed. The calibrated ordinal response model is then applied to two projects not used in the calibration to examine predictive validity.