Sunday, 17 July 2016

Estimation Uncertainty

Observed and Theoretical Limits of Estimation Accuracy

1. Estimates at the beginning of a project are rarely accurate, given the team's limited knowledge of the project. Users typically do not yet know all of their requirements for the system.

2. Software development is a process of continuous improvement. A well-run project attacks the areas of highest variability first in order to reduce uncertainties as quickly as possible.

3. Reducing the risk of cost and schedule overruns is a wise investment; estimates developed during the planning phase are more accurate. This is the best time to make a go/no-go decision.

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