What is project metrics in software engineering

What is project metrics in software engineering?

  • Project Metrics is used to minimize the development schedule by making the adjustments necessary to avoid delays and mitigate potential problems and risks.
  • Project Metrics is used to assess product quality on an ongoing basis and, when necessary, modify the technical approach to improve quality.
  • Every Project Should Measure:-
  • Inputs:– project Metrics measures the resources(e.g., People, tools) required to do the work.
  • Outputs:- Project Metrics should measures of the deliverables or work products created during the software engineering development process.
  • Results:- Project metrics measures that indicate the effectiveness of the deliverables.

What is project metrics in software engineering? As we have discussed what is metrics? Now one of the most important topic What is project metrics in software engineering? So let’s start_

What is project metrics in software engineering?

Project Metrics are metrics that pertain to Project Quality. Project Metrics are used to quantify defects, cost, schedule, productivity and estimation of various project resources and deliverables.

What is project metrics in software engineering
What is project metrics in software engineering

What is Schedule Variance?

schedule Variance is known as the differences between the scheduled completion of an activity and the actual completion.

Schedule variance = {(Actual calendar days – Planned calendar days) + Start variance}/ Planned calendar days x 100

What is Effort Variance?
The differences between the planned outlined effort and the effort required to actually undertake the task is called Effort variance.

Effort variance = (Actual Effort – Planned Effort)/ Planned Effort x 100

What is Size Variance?
The difference in estimating the size of the project and the actual size of the project.
Size variance = (Actual size – Estimated size)/ Estimated size x 100

What is the Requirement Stability Index?
Provides visibility to the magnitude and impact of requirements changes.

RSI = 1- ((No of changed + No of deleted + No of added) / Total no of Initial requirements) x100.

5. The Productivity is a measure of output from a related process for a unit of input.

Project Productivity = Actual Project Size / Actual effort expended in the project

6. Productivity (for test case preparation) = Actual no of test cases/ Actual effort expended in test case preparation.

7. Productivity (for test case execution) = Actual number of test cases / actual effort expended in testing.

8. Productivity (defect detection) = Actual number of defects (review + testing) / actual effort spent on (review + testing).

9. Productivity (defect fixation) = actual no of defects fixed/ actual effort spent on defect fixation.

10. The Schedule variance for a phase: The deviation between planned and actual schedules for the phases within a project.

Schedule variance for a phase = (Actual Calendar days for a phase – Planned calendar days for a phase + Start variance for a phase)/ (Planned calendar days for a phase) x 100

11. Effort variance for a phase: The deviation between planned and actual effort for various phases within the project.

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