PD ISO/IEC TR 9126-2:2003 PDF

1   Scope This Technical Report defines external metrics for quantitatively measuring external software quality in terms of characteristics and subcharacteristics defined in ISO/IEC 9126-1, and is intended to be used together with ISO/IEC 9126-1. This Technical Report contains:

I. an explanation of how to apply software quality metrics

II. a basic set of metrics for each subcharacteristic

III. an example of how to apply metrics during the software product life cycle

This Technical Report does not assign ranges of values of these metrics to rated levels or to grades of compliance, because these values are defined for each software product or a part of the software product, by its nature, depending on such factors as category of the software, integrity level and users' needs. Some attributes may have a desirable range of values, which does not depend on specific user needs but depends...