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Every metric has a scope:
This notion also applies to measures:
For both metrics and measures, the notion of scope will help us compare our quantitative assessments to some already on record. For example you may compare the value of a certain metric, such as number of invariant clauses in each class, with the values that have been archived for your project, for a reference project such as the EiffelBase library, for the previous projects of your company, or for a global set of previous projects maintained at some central location. You may also, with appropriate permissions, update such a shared archive with the values from your own measurements.
In the environment, the notion of scope will be handled by defining an input domain. If the input domain contains a duplicated elements, the computation is done twice on the duplicated elements.
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