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Benefits of Early Sizing and Estimating on Software Quality, Schedules, Effort & Cost
Abstract Most methods of software sizing and estimating are based on software requirements and design documents, or on the source code itself. For both new applications and enhancements this means that substantial funds will have been expended before sizing and estimating take place. Early sizing and estimating pay handsome dividends due to better results for on-schedule and within-budget projects, as shown by table 1 from the paper: Table 1: Results of Early Sizing and Estimating…
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Variations in Software Development by Function Point Size
Abstract Building small applications and building large systems are very different. Small software projects of a 100 function points can be built by a few developers and a few other personnel. These are low in risk and usually delivered on time. Large systems in the 10,000 function point size range require many skilled specialists such as business analysts, architects, and data base analysts who may not be needed for small projects. These are extremely risk…
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Exceeding 99% in Defect Removal Efficiency (DRE) for Software
Abstract Note: This paper was updated in support of the 30th anniversary of the International Function Point User’s Group (IFUG). Software quality depends upon two important variables. The first variable is that of “defect potentials” or the sum total of bugs likely to occur in requirements, architecture, design, code, documents, and “bad fixes” or new bugs in bug repairs. Defect potentials are measured using function point metrics, since “lines of code” cannot deal with requirements…
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