COCOMO

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COCOMO

(COnstructive COst MOdel) A method for estimating a software project which was conceived by Dr. Barry Boehm in his 1981 book, "Software Engineering Economics." The heart of COCOMO is based on the Effort Equation, which applies a value to the tasks at hand based on the scope of the project (ranging from a small, familiar system to a complex system that is new to the organization). The Costar package from Softstar Systems, Amherst, NH (www.softstarsystems.com) has been using the COCOMO method since 1986. See also DOCOMO.

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(ii) The intermediate COCOMO 81 describes software development effort as a function of program size in LOC and a set of fifteen "effort multipliers known as cost drivers" These cost drivers incorporate subjective assessments of product, project, personnel, and hard ware attributes.

In intermediate COCOMO, Boehm used 15 more predictor variables called cost drivers, which are required to calibrate the nominal effort of a project to the actual project environment.

Tuning of cost drivers by significance occurrences and their calibration with novel software effort estimation method