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The U.S. Government Accountability Office (GAO) defines a cost estimate as "the summation of individual cost elements, using established methods and valid data, to estimate the future costs of a program, based on what is known today". The GAO reports that "realistic cost estimating was imperative when making wise decisions in acquiring new ...
Many methods have been developed for estimating software costs for a given project. Methods. Methods for estimation in software engineering include these principles: Analysis effort method; Parametric Estimating; The Planning Game (from Extreme Programming) ITK method, also known as Method CETIN
Cost estimation in software engineering; Cost estimation models; Cost overrun; Function points; Planning fallacy; Proxy-based estimating; Putnam model; Software metric; Software parametric models
One key objective of cost engineering is to arrive at accurate cost estimates and schedules, and to avoid cost overruns and schedule slips. Cost engineering goes beyond preparing cost estimates and schedules by helping manage resources and supporting assessment and decision-making.
Project Cost Management (PCM) is the dimension of project management which aims to ensure that a project is completed within its approved budget. [1] [2] It encompasses several specific project management activities including estimating , job controls, field data collection , scheduling , accounting and design, and uses technology to measure ...
The Constructive Cost Model (COCOMO) is a procedural software cost estimation model developed by Barry W. Boehm. The model parameters are derived from fitting a regression formula using data from historical projects (63 projects for COCOMO 81 and 163 projects for COCOMO II).