The Comparison and Improvement of Effort Estimates from Three Software Cost Models

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dc.contributor.authorKafura, Dennis G.en
dc.contributor.authorHenry, Sallie M.en
dc.contributor.authorGintner, Marken
dc.contributor.departmentComputer Scienceen
dc.date.accessioned2013-06-19T14:36:29Zen
dc.date.available2013-06-19T14:36:29Zen
dc.date.issued1987en
dc.description.abstractThis paper presents an empirical investigation of effort estimation techniques using three software cost models: Boehm's basic COCOMO model, Thebaut's COPMO model, and Putnam's model. The results, based on proprietary historical project data provided by a major computer manufacturer, are in three parts: (1) a comparison of the three mdels showing that more accurate estimates are obtained from the COPMO model; (2) improvements in the COPMO estimates by means of two techniques termed "submodeling" and "constructive modeling"; and (3) the definition and evaluation of a promising new technique, termed "adjustment multipliers", for improving a model's estimates. Finally, a second set of industrial data is used to confirm the general applicability of these improvement techniques.en
dc.format.mimetypeapplication/pdfen
dc.identifierhttp://eprints.cs.vt.edu/archive/00000084/en
dc.identifier.sourceurlhttp://eprints.cs.vt.edu/archive/00000084/01/TR-87-37.pdfen
dc.identifier.trnumberTR-87-37en
dc.identifier.urihttp://hdl.handle.net/10919/20340en
dc.language.isoenen
dc.publisherDepartment of Computer Science, Virginia Polytechnic Institute & State Universityen
dc.relation.ispartofHistorical Collection(Till Dec 2001)en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.titleThe Comparison and Improvement of Effort Estimates from Three Software Cost Modelsen
dc.typeTechnical reporten
dc.type.dcmitypeTexten

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