By Khaled El Emam
The ROI from software program caliber offers the instruments wanted for software program engineers and venture managers to calculate how a lot they need to put money into caliber, what advantages the funding will achieve, and simply how fast these merits could be learned. this article presents the quantitative types important for making genuine and average calculations and it exhibits find out how to practice ROI research sooner than and after enforcing a high quality application. The ebook demonstrates tips to gather the right facts and simply practice the right ROI research. Taking an evidence-based strategy, this ebook helps its technique with quite a lot of information and backs up its positioning with quite a few case experiences and simple return-on-investment calculations. via rigorously substantiating arguments, this quantity separates itself from different works on ROI.
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Extra resources for The ROI from Software Quality
2 Basic entity-relationship model showing the relationship between failures, PRs, defects, and modules. Typically, one talks about the number of defects in a piece of software. So essentially, the number of defects is counted and reported. The counting is done by looking at the changes in the version control system that is in place. Each delta (change to the code that is then checked in) is examined and if the delta was to make a ﬁx, then this indicates that there was a defect in the module. By counting the number of deltas to implement ﬁxes, one can get at the number of defects in a module.
Software Quality Management Best Practices, Cutter Consortium, 2003. 2. , and Srinivasan, K. Drivers of customer satisfaction for software products: implications for design and service support. Management Science, 41(9):1456–1470, 1995. 3. NIST. S. Department of Commerce, 2002. fm Page 35 Tuesday, April 26, 2005 9:40 PM Measuring Software Quality Ⅲ 35 4. , and Pettichord, B. Lessons Learned in Software Testing: John Wiley & Sons; 2002. 5. Siy, H. and Votta, L. Does the Modern Code Inspection Have Value?
The ﬁrst principle of adjustment is to consider projects of different sizes separately. In our example we have two groups of projects: the 10 KLOC (SMALL) projects and the 100 KLOC (LARGE) projects. 2 shows the defect densities within company X and company Y for SMALL and LARGE projects. ” The standard company can be the combination of companies X and Y. The standard company therefore has 20 projects. Ten of these projects are SMALL and ten projects are LARGE. The standard company has 100 KLOC of SMALL projects and 1000 KLOC of LARGE projects.