3DESIGNING METRICS
We measure productivity and quality to quantify the project’s progress as well as to quantify the attributes of the product. A metric enables us to understand and manage the process as well as to measure the impact of change to the process—that is, new methods, training, and so on. The use of metrics also enables us to know when we have met our goals—that is, usability, performance, and test coverage.
In measuring software systems, we can create metrics based on the different parts of a system—that is, requirements, specifications, code, documentation, tests, and training. For each of these components, we can measure its attributes, which include usability, maintainability, extendibility, size, defect level, performance, and ...
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