In many software development projects, code metrics are used to grasp the concept of technical software quality, put it into numbers, and, hence, make it measurable and transparent. While installing a tool and receiving a set of numeric values is quite simple, deriving useful quality-improving actions from it, is not.
For us at CQSE, it all starts first and foremost with defining the analysis scope—something we call the art of code discrimination. Whenever we use any sort of metric to gain insights about a software system, we devote significant resources to get this right. Only a cleanly defined analysis scope will allow you to get undistorted metric results.
It sounds like a very trivial thing to know and to do. Yet, it is so often omitted in practice.…
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