Approaches to Calculating Systems Engineering Schedule in Parametric Cost Models
Name
cp_090420_gaffney,valerdi,ross_cser.pdf
Size
3.01 MB
Format
Adobe PDF
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7cf69cea8730694edff60764484d0a04
Author(s)
Gaffney, John E.
Valerdi, Ricardo
Ross, Michael A.
Date Issued
April 20, 2009
Abstract
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.
Subjects
cost estimation
schedule estimation
COSYSMO
COCOMO II
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