![]() ![]() ![]() The Cone of Uncertainty in Figure 4-1 shows how estimates become more accurate as a project progresses. As you make a greater percentage of those decisions, you reduce the estimation uncertainty.Īs a result of this process of resolving decisions, researchers have found that project estimates are subject to predictable amounts of uncertainty at various stages. ![]() Uncertainty in a software estimate results from uncertainty in how the decisions will be resolved. Software development consists of making literally thousands of decisions about all the feature-related issues described in the previous section.
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