Each metric is validated empirically in wide variety of contexts before publishing

Discussion

• Nirja Shah   -Posted on 19 Oct 15
  Measurement principles
  - Product matrices assist in the evaluation of analysis and design, Provide indication of complexity and give design for effective testing.
  
  - There are some measure principles by [roche94] which had 5 activities such as Formulation- Derivation of software measures and metrics.
  
  1) Collection- Mechanism used to accumulate data.
  2) Analysis- The computation of metrics and application of mathematical tool.
  3) Interpretation- Evaluation of metrics.
  4) Feedback-Recommendations derived from the interpretation.
  
  [Let03b] presents another set of principles,
  
  1) A metric should have desirable mathematical properties.
  2) When a metric represents a software characteristic that increases when positive traits occur or decreases when undesirable traits are encountered, the value of the metric should increase or decrease in the same manner
  3) Each metric should be validated empirically in a wide variety of contexts before being published or used to make decisions
  
  Collection and analysis are the activities that derive the measurement process.

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