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Since it deals with the degree to which an application may be understood, repaired, or enhanced, it also takes into account the overall cost of the project. Computing devices and associated software govern everyday life, and form the backbone of safety critical systems in banking, healthcare, automotive and other fields. Successful software quality assurance is highly dependent on software metrics. Having some heuristics and metrics that measure an application’s source code provides a useful starting point, and observing these metrics over time can identify important trends. The scope of this work is to present a methodology that facilitates the evaluation of a software product’s maintainability according to the ISO/IEC-9126 software engineering quality standard. Assessing Maintainability Metrics in Software Architectures Using COSMIC and UML. Note that private metrics are collected by software engineers and then … However, quality measurement is not restricted to counting of defects or vulnerabilities but also covers other aspects of the qualities such as maintainability, reliability, integrity, usability, customer satisfaction, etc. In the past, several measures have been taken into account for predicting metrics that influence software maintainability. This paper utilizes data mining of some new predictor metrics apart from traditionally used software metrics for predicting maintainability of software systems. To calculate code metrics for your projects in a Visual Studio solution will help you improve your software quality by guiding developers for minimizing code complexity and increasing code maintainability. In Computational Science and Its Applications - ICCSA 2012, volume 7336 of Lecture Notes in Computer Science, pages 132 - 146. Maintainability: You did mention about how easy is it to change/test the code or reuse the code. Maintainability is a key quality attribute of successful software systems. Complexity metrics is a very important indicator. Quality models have been proposed to solve this problem. Measuring quality helps you understand where you’re at. and thus the above quality metrics of the software have to be regarded as major information in the object-oriented idea. Software metrics is a predictor to assess and predict software quality; however, although maintenance is a critical task, it has been poorly managed due to inadequate measurement, so we need precise criteria for measuring software maintenance (Rizvi & Khan, 2010). After you’ve measured, you can take steps to improve overall quality. quality evolution of an open source software using metrics. The intrinsic quality of a software product is generally measured by the number of functional defects in the software, often referred to as bugs, or by testing the software in run time mode for inherent vulnerability to determine the software "crash" scenarios.In operational terms, the two metrics are often described by terms namely the defect density (rate) and mean time to failure (MTTF). We wanted to investigate if the Qi metric can be used to observe how quality evolves along the evolution of the successive released versions of the subject software system. Now customize the name of a clipboard to store your clips. Complexity metrics. Software Metrics Product vs. process Most metrics are indirect: No way to measure property directly or Final product does not yet exist For predicting, need a model of relationship of predicted variable with other measurable variables. However, existing approaches do not If you remember my article about Software Architecture Quality Attributes, you know that we have been conducting a survey to find out key software architecture metrics that leading companies and software architects use.As quality of a software’s architecture is essential, yet very difficult to apprehend and measure. Evaluation of Software Product Quality Metrics. Instead, a software quality plan must define suitable metrics that can be used to assess one or more quality characteristics or subcharacteristics. In-Process Quality Metrics are used to monitor defects during testing. The Software Maintainability Index (MI) is a single-value indicator for the maintainability of a software system. The maintainability index is calculated with certain formulae from lines-of-code measures, McCabe measures and Halstead complexity measures. Software Maintainability Metrics Help Identify Problem Areas Software maintainability requires more developer effort than any other phase of the development life cycle. However it is possible to consider another way of evaluating software quality. Three assumptions (Kitchenham) 1. … Another reason why maintainability is a special aspect of software quality is that it acts as an enabler for other quality characteristics. The software engineering literature proposes many models and metrics to predict the maintainability of a software project statically. However, its management in practice is still problematic. This paper proposes aspect-oriented software maintainability metrics and a set of aspect-oriented design guidelines to support the metrics. It was proposed by Oman and Hagemeister in the early nineties. proposed the Maintainability Index (MI) , : an attempt to objectively determine the maintainability of software … Springer Berlin Heidelberg, 2012. 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