Approaches to Calculating Systems Engineering Schedule in Parametric Cost Models
Author(s)Gaffney, John E.; Valerdi, Ricardo; Ross, Michael A.
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This paper provides two similar approaches for calculating project schedule from a systems engineering perspective. To illustrate the genesis of each approach, we provide two analogies; one from economics and one from physics. These are complemented with mathematical derivations that provide quantitative comparisons of the tradeoff between the duration of a project and the optimal effort. Connections are made to Books’ Law and Parkinson’s Law to validate the theoretical discussion with the pragmatic observations from the software engineering literature.
cost estimation, schedule estimation, COSYSMO, COCOMO II
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