Software Cost Estimation with II
COCOMO-II is the revised version of the original Cocomo (Constructive Cost Model) and was developed at the University of Southern California. It is the model that allows one to estimate the cost, effort, and schedule when planning a new software development activity. Sub-Models of COCOMO Model COCOMO Sub-models 1. End User Programming
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This article provides a sample of COCOMO II cost estimate for a real project, and concentrates on outlining basic how-to when project manager needs some advice on making simple cost estimates and tools that can be used. Audience
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Basic COCOMO Model. The purpose of this site is to help the end user making an estimate using the COCOMO model (s). The end user will be able to use one (1) of the three (3) models, which is the. In his classic book on "Software Enginnering Econonics," Barry Boehm introduces a hierarchy of software estimation models bearing the name . Boehm's.
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COCOMO II is really three different models: The Application Composition Model Suitable for projects built with modern GUI-builder tools. Based on new Object Points. The Early Design Model You can use this model to get rough estimates of a project's cost and duration before you've determined it's entire architecture.
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COCOMO is the world's most widely used software estimation model. Software project managers use SystemStar to produce estimates of a project's duration, staffing levels, effort, and cost. SystemStar lets you make trade-offs and experiment with "what-if" analyses to arrive at the optimal project plan.
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Basic COCOMO Calculator (Baker) Basic COCOMO Calculator (Kutcher) Basic COCOMO Calculator (Mohamed & Fouani)
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In COCOMO II effort is expressed as Person Months (PM). person month is the amount of time one person spends working on the software development project for one month. This number is exclusive of holidays and vacations but accounts for weekend time off. The number of person months is different from the time it will take the project to complete.
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CO nstructive CO st MO del II (COCOMO ® II) is a model that allows one to estimate the cost, effort, and schedule when planning a new software development activity. COCOMO II is the latest major extension to the original COCOMO model published in 1981 (now referred to as COCOMO 81 ).
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It is used at the Stage - II in COCOMO -II models and supports estimation in early design stage of project. Base equation used in COCOMO - II models is as follows -. PM nominal = A * (size) B where PM nominal = Effort for the project in person months A = constant representing the nominal productivity where A = 2.5 B = Scale Factor Size = size of the Software
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COCOMO II suggests calibration to the specific organization in order to achieve the most accurate results. It supports two types of calibrations where the most comprehensive calibration has not been made because of the large effort needed to gather project data. As the goal is to develop a meta model that enables software change estimation for.
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Constructive Cost Model II (COCOMO II Model) create large extent most considerable and broadly used as model for cost estimation. To estimate the effort and the development time of a software project, COCOMO II model uses cost drivers, scale factors and line of code. However, the model is still lacking in terms of accuracy both in effort and.
Table 1 from Optimization of II Effort Estimation using Algorithm Semantic Scholar
4. COCOMO II MODEL [3,4] COCOMO II has three different models : [3] 1. The Application Composition Model Suitable for projects built with modern GUI- builder tools.[4] 2. The Early Design Model This model is used to make rough estimates of a project's cost and duration before it is entire architecture is not determined. It
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COCOMO II - Constructive Cost Model Software Size Sizing Method Software Scale Drivers Maintenance Software Labor Rates Cost per Person-Month (Dollars) Results Software Development (Elaboration and Construction) Effort = 0.0 Person-months Schedule = 0.0 Months Cost = $0 Total Equivalent Size = 0 SLOC Effort Adjustment Factor (EAF) = 1.00
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CO nstructive CO st MO del II (COCOMO ® II) is a model that allows one to estimate the cost, effort, and schedule when planning a new software development activity. COCOMO II is the latest major extension to the original COCOMO model published in 1981 (now referred to as COCOMO 81 ).
Table 2 from The Rosetta Stone Making 81 Estimates Work with II Semantic Scholar
The Little COCOMO Calculator by Dr. Brad Clark (Software Metrics Inc.) and Dr. Ray Madachy (Naval Post Graduate School) COCOMO II The updated COCOMO 81 model published in 2000. It predicts software development effort, schedule, and effort distribution via range estimates. COCOMO II Web Tool by Dr. Ray Madachy (Naval Postgraduate School) COCOMO III
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Mike's Basic COCOMO Calculator! Enter the number of estimated lines of code and the calculator will determine how much time and how many people will be needed! Thousands of Lines of Estimated Code. Organic Values Number of Months Needed: Number of People Needed: SemiDetached Values