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Software Estimation: Demystifying the Black Art
Software estimation is not hard. Experts have been researching and writing about software estimation for four decades, and they have developed numerous techniques that support accurate software estimates. Creating accurate estimates is straightforward—once you understand how to create them. But not all estimation practices are intuitively obvious, and even smart people won't discover all the good practices on their own. The fact that someone is an expert developer doesn't make that person an expert estimator.
Numerous aspects of estimation are not what they seem. Many so-called estimation problems arise from misunderstanding what an "estimate" is or blurring other similar-but-not-identical concepts with estimation. Some estimation practices that seem intuitively useful don't produce accurate results. Complex formulas sometimes do more harm than good, and some deceptively simple practices produce surprisingly accurate results.
This book distills four decades of research and even more decades of hands-on experience to help developers, leads, testers, and managers become effective estimators. Learning about software estimation turns out to be generally useful because the influences that affect software estimates are the influences that affect software development itself.
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