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An approach to software cost estimationA general procedure for software cost estimation in any environment is outlined. The basic concepts of work and effort estimation are explained, some popular resource estimation models are reviewed, and the accuracy of source estimates is discussed. A software cost prediction procedure based on the experiences of the Software Engineering Laboratory in the flight dynamics area and incorporating management expertise, cost models, and historical data is described. The sources of information and relevant parameters available during each phase of the software life cycle are identified. The methodology suggested incorporates these elements into a customized management tool for software cost prediction. Detailed guidelines for estimation in the flight dynamics environment developed using this methodology are presented.
Document ID
19840015068
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Mcgarry, F.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Page, J.
(Computer Science Corp.)
Card, D.
(Computer Science Corp.)
Rohleder, M.
(Computer Science Corp.)
Church, V.
(Computer Science Corp.)
Date Acquired
September 4, 2013
Publication Date
February 1, 1984
Subject Category
Computer Programming And Software
Report/Patent Number
NASA-TM-85607
NAS 1.15:85607
SEL-83-001
Accession Number
84N23136
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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