Software Process Metrics are measures which provide information about the performance of the development process itself. The purpose of software process metrics are:
- to provide an indicator to the ultimate quality of software being produced.
- assists to the organization to improve its development process by highlighting the areas of inefficiency or error-prone areas of the process.
Software Product Metrics are measures of some attributes of the software product. The purpose of software product metrics is to assess the quality of the output.
What are most general metrics?
Requirements Management
Metrics Collected:
- requirements by state - accepted, rejected, postponed.
- number of base lined requirements.
- number of requirements modified after base lining.
Derived Metrics:
- Requirements stability Index(RSI)
- Requirements to Design Traceability
Project Management
Testing and Review
Metrics Collected:
- Number of defects found by reviews.
- Number of defects found by testing.
- Number of defects found by client.
- Total number of defects found by reviews.
Derived Metrics:
- Overall review effectiveness (ORE)
- Overall test effectiveness.
Peer Reviews
Metrics Collected:
- KLOC/FP per person hour for preparation.
- KLOC/FP per person hour for review meeting.
- Number of pages/hour reviewed during preparation.
- Average number of defects found by Reviewer during preparation.
- Number of pages/hour reviewed during review meeting.
- Average number of defects found by Reviewer during review meeting.
- Review team size vs defects.
- Review speed vs defects.
- Major defects found during review meeting.
- Defects vs Review Effort.
Derived Metrics:
- Review effectiveness.
- Total number of defects found by reviews for a project.
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