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Topic: COCOMO II


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  COCOMO
USC COCOMO II.1997 is calibrated to 83 data points (historical software development projects), using a 10% weighted-average approach (35kb) to blending empirical data with expert opinion to calibrate the model parameters.
Ray Madachy, this is an innovative COCOMO II implementation that uses heuristics to flag potential risks found in specified project development conditions.
COCOMO 81 is a model that allows one to estimate the cost, effort, and schedule when planning a new software development activity, according to software development practices that were commonly used in the 1970s through the 1980s.
sunset.usc.edu /research/COCOMOII/cocomo_main.html   (3353 words)

  
  COCOMO - Wikipedia, the free encyclopedia
COCOMO is a model designed by Barry Boehm to give an estimate of the number of man-months it will take to develop a software product.
Basic COCOMO - is a static, single-valued model that computes software development effort (and cost) as a function of program size expressed in estimated lines of code.
Detailed COCOMO - incorporates all characteristics of the intermediate version with an assessment of the cost driver's impact on each step (analysis, design, etc.) of the software engineering process.
en.wikipedia.org /wiki/COCOMO   (295 words)

  
 SMS Services - Tools and Techniques > COCOMO II
COCOMO is based on an input of estimated thousands of Delivered Source Instructions (KDSI).
COCOMO II allows for the use of function points as an input to the estimate of lines of code, however it relies upon the backfire method, which requires considerable care in use.
The COCOMO II model is based upon a basic effort estimation regression formula.
www.measuresw.com /services/tools/cocomo.html   (276 words)

  
 COCOMO Software Cost Model   (Site not responding. Last check: 2007-11-02)
COCOMO II - This program is an implementation of the 1981 COCOMO Intermediate Model.
The COCOMO II model is an update of COCOMO 1981 to address software development practice's in the 1990's and 2000's.
TAMU COCOMO is an on-line version of COCOMO from Texas AandM University.
www1.jsc.nasa.gov /bu2/COCOMO.html   (752 words)

  
 Software Project Cost Estimates Using COCOMO II Model - The Code Project - Application Design
In general, COCOMO II estimates project cost, derived directly from person-months effort, by assuming the cost is basically dependent on total physical size of all project files, expressed in thousands single lines of code (KSLOC).
COCOMO II internal parameters such as parameters for evaluation of personnel capabilities/experiences, used project tools and others are obviously important for project cost estimates, but usually are not a subject of cost communications with stakeholder.
There are well-approbated COCOMO II tools on the market that calculate these parameters for you, asking questions about particular project in natural language, such as “How experienced is the development team?” or “How tough is the project schedule?” and, thus, hiding model details in the background.
www.codeproject.com /gen/design/cocomo2.asp   (2573 words)

  
 COCOMO
COCOMO II is defined using intermediate calculations, but the COCOMO 81 models let you choose between the Intermediate mode and the Detailed mode.
COCOMO II.1998 was renamed to COCOMO II.1999 and then to COCOMO II.2000, so all of those models are identical.
The major feature introduced with the Ada Process Model, and carried forward into COCOMO II, is the idea that there are a set of Scale Drivers that modify the exponent in the estimating equation.
www.softstarsystems.com /faq.htm   (3342 words)

  
 SchemeQuest - SCEplus COCOMO Software Cost Estimation Modeling Tool
COCOMO II supports the use of either function points or source lines of code.
COCOMO II The first USC-CSE implementation of COCOMO II was released to the general public in mid-1997.
While each release of the USC COCOMO II tool has seen improvements in its user friendliness, for logistical reasons related to preparation of materials for the book, the 1998, 1999, and 2000 model calibrations are the same.
www.schemequest.com   (1867 words)

  
 Overview of COCOMO
The COCOMO cost estimation model is used by thousands of software project managers, and is based on a study of hundreds of software projects.
The most fundamental calculation in the COCOMO model is the use of the Effort Equation to estimate the number of Person-Months required to develop a project.
In the COCOMO II model, some of the most important factors contributing to a project's duration and cost are the Scale Drivers.
www.softstarsystems.com /overview.htm   (1268 words)

  
 Software Cost Estimation (W02)
COCOMO is a popular algorithmic model for cost estimation whose cost factors can be tailored to the individual development environment, which is important for the accuracy of the cost estimates.
COCOMO stands for Constructive Cost Model, it is a software cost estimation model that was first published in 1981 by Barry Bohem (Bohem, 2001).
COCOMO's main metric used for calculating these values is lines of code (denoted KLOC for COCOMO II, or KDSI for COCOMO 81 and measured in thousands), function points (FP), or object points (OP).
www.compapp.dcu.ie /~renaat/ca421/report.html   (4340 words)

  
 rapid application development, code generator
Out of the dozens of COCOMO II models that Netcentrics has evaluated, several stand out as usefully illustrative of the gains to be made in attacking the right areas of a non-optimal development methodology.
COCOMO II also predicts 20% less staff and a modest reduction in project schedule from 4.3 to 3.5 months.
COCOMO II uses either Source Lines of Code (SLOC) or Function Points as the independent project sizing variable.
www.snappmx.com /?PgId=30   (245 words)

  
 Question on the COCOMO model
COCOMO II.1998) is significantly better than that of the multiple regression approach (i.e.
COCOMO II.1998 gives predictions that are within 30% of the actuals 71% of the time where as COCOMO II.1997 gives predictions within 30% of the actuals only 52% of the time." Not being the statistician I'd like to be, I'm not sure how to interpret the above.
I thought COCOMO was dead, I heard about it at uni' in the mid 80's and then used it in a tral in the early 90s.
www.codecomments.com /message170807.html   (3093 words)

  
 Software Engineering Economics (Prentice-Hall Advances in Computing Science & Technology Series) by Barry W. Boehm ...
Barry Boehm himself recognizes that COCOMO 81 is no longer valid - hence his collaboration with COCOMO II, which has addressed many of the problems that affected the old COCOMO 81 (e.g., it was mainly thought for development of software on expensive mainframes, and development tools have greatly evolved since that time).
COCOMO 81 (as presented in this book) and COCOMO II are adequate for software development purposes.
Readers should be aware that some aspects of the COCOMO have been replaced by the publication of the "Software Cost Estimation with COCOMO II" book.
www.gettextbooks.com /isbn_0138221227.html   (898 words)

  
 STSC CrossTalk - Future Trends, Implications in Cost Estimation Models - Apr 2000
COCOMO II can be a useful tool for your organization to use in adapting to future change, both at the project level and at the organizational level.
COCOMO II will estimate how these changes will affect the project's expected cost and schedule, and will provide you and your stakeholders with a framework for rescoping the project if estimated cost and schedule are unsatisfactory.
In such cases, COCOMO II phase and activity distributions can be used to develop a quantitative milestone plan or an earned-value system [7] for the project, which enable plan deviations to be detected, and appropriate corrective actions to be taken (Figure 3) involving COCOMO II in project rescoping.
www.stsc.hill.af.mil /crosstalk/2000/04/boehm.html   (3367 words)

  
 Software Cost Estimation with Cocomo II - $77.35   (Site not responding. Last check: 2007-11-02)
COCOMO II provides you with a thorough rework of the classic COCOMO model to address modern software processes and construction techniques along with representative examples of applying the models to key software decision situations.
One of the stakeholder objectives was to avoid basing COCOMO II on a single process model such as the waterfall model assumed in COCOMO 81.
Chapter 4 summarizes the COCOMO II Bayesian calibration process and results, and provides guidelines for organizations to produce their own calibrated version of the model.
www.phptr.com /title/0130266922   (2751 words)

  
 Software Measurement, Cost Estimation, SLIM, COCOMO - Yazýlým Ölçümü Maliyet Hesabý
Boehm's [Boehm 81] COCOMO model is one of the mostly used model commercially.
The first version of the model delivered in 1981 and COCOMO II is available now.
Researchs on COCOMO II is started in late 90s because COCOMO'81 is notenough to apply to newer software development practices.
yunus.hun.edu.tr /~sencer/cocomo.html   (1428 words)

  
 Size Estimation in Software Projects
COCOMO) but they are often used to estimate the cost or effort and thus takes size as an in-parameter.
COCOMO II As in the original COCOMO, COCOMO II takes an estimate of the software size as one of the inputs, but instead of just having KDSI (now just called Lines of Code (LOC)) as size measurement, you can also use Function Points (FP).
The FP used in COCOMO II are the Unadjusted Function Points, since the usual FP procedures involves assessing the degree of influence (DI) of fourteen application characteristics on the software project.
www.hln.nu /MasterThesis/files/pt97hlo_master_thesis.html   (1623 words)

  
 Software Cost Estimation
COCOMO avoids estimating labor costs in dollars because of the large variations between organizations in what is included in labor costs, and because person-months are a more stable quantity than dollars, given current inflation rates and international money fluctuations.
In order to convert COCOMO person-month estimates into dollar estimates, the best compromise between simplicity and accuracy is to apply a different average dollar per person-month figure for each major phase, to account for inflation and the differences in salary level of the people required for each phase.
COCOMO 2.0 explicitly handles the availability of additional information in later stages of a project, the nonlinear costs of reusing software components, and the effects of several factors on the diseconomies of scale.
sern.ucalgary.ca /courses/seng/621/W98/hongd/report2.html   (5946 words)

  
 Amazon.ca: Software Cost Estimation with Cocomo II: Books: Barry W. Boehm,Chris Abts,A. Winsor Brown,Sunita ...   (Site not responding. Last check: 2007-11-02)
The publication in 1981 of the original COCOMO model in Software Engineering Economics remains the one technical reference that everyone involved in this field of endeavor has on their bookshelf and is still in continuos usage.
COCOMO II provides you with a thorough rework of the classic COCOMO model to address modern software processes and construction techniques along with representative examples of applying the models to key software decision situations.
I was first introduced to the precursor of CoCoMo II when I ftp'd a whitepaper on estimating from the old decwrl site maintained by DEC in the mid 1980s.
www.amazon.ca /exec/obidos/ASIN/0130266922   (1390 words)

  
 Save £1.85! Software Cost Estimation with Cocomo II (with CD-ROM)
Version II of CoCoMo rectifies this, and this book is an exhaustive description of software cost estimating in general and CoCoMo version II in particular.
The appendices include how to use CoCoMo II in environments ranging from the older waterfall SDLC, RUP, incremental and iterative development, and give project planning considerations and data collection templates.
The latest revision of the well known COCOMO constructive cost model is calibrated with a Bayesian approach that balances 161 industry reference points with the determination of software development experts.
www.hackcraft.net /bookref/?urn:isbn:0130266922   (739 words)

  
 COCOMO 2   (Site not responding. Last check: 2007-11-02)
COCOMO II COCOMO II is tuned to modern software life cycles.
COCOMO II targets the software projects of the 1990s and 2000s, and will continue to evolve over the next few years.
This is the most detailed COCOMO II model.
www.softstarsystems.com /cocomo2.htm   (134 words)

  
 Software Cost Estimation: Metrics and Models
COCOMO is a relatively straightforward model based on inputs relating to the size of the system and a number of cost drivers that affect productivity.
The original COCOMO is a collection of three models: a Basic model that is applied early in the project, an Intermediate model that is applied after requirements are specified, and an Advanced model that is applied after design is complete (Fenton, 1997).
COCOMO II includes the Application Composition model (for early prototyping efforts) and the more detailed Early Design and Post-Architecture models (for subsequent portions of the lifecycle).
sern.ucalgary.ca /courses/seng/621/W98/johnsonk/cost.htm   (3541 words)

  
 Assignment 11   (Site not responding. Last check: 2007-11-02)
Assignment 11 - Cocomo II This is an individual assignment.
You will use Cocomo II to obtain effort and schedule estimates for a project of your choosing.
Use either the Agile COCOMO II Estimation or CORADMO (see zip file download under Model Status far down on the page).
chiron.valdosta.edu /dgibson/Courses/CS4322/Assignments/dp11.shtm   (301 words)

  
 COCOMO - Webled.com
[ USC COCOMO II.1999.0 was released in mid-1999 and USC COCOMO II.2000.0 ]...
COCOMO II.1998 was renamed to COCOMO II.1999 ]...
This is almost identical to the COCOMO defined ]...
www.webled.com /COCOMO.htm   (345 words)

  
 Extension   (Site not responding. Last check: 2007-11-02)
COCOMO (Constructive Cost Model) is a method for evaluating the cost of a software package.
The most fundamental calculation in the COCOMO II model is the use of the Effort Equation to estimate the number of Person-Months required to develop a project.
The COCOMO II schedule equation predicts the number of months required to complete your software project.
www.ntu.edu.sg /home2000/s8139377z/extension.html   (704 words)

  
 IS8060 - Information Systems Development   (Site not responding. Last check: 2007-11-02)
COCOMO II For this assignment, you are to use the COCOMO II software to make an assessment on the factors that impact software development.
Your deliverable is a written one page assessment, based on your use of COCOMO II, as to the factors which have the greatest impact on software development.
  You will need to run COCOMO II at least 10 times to be able to identify changes that occur.
science.kennesaw.edu /~mguimara/8050/hw3.htm   (242 words)

  
 Books : Software Cost Estimation with Cocomo II (with CD-ROM)
I was first introduced to the precursor of CoCoMo II when I ftp'd a whitepaper on estimating from the old decwrl site maintained by DEC in the mid 1980s.
The latest revision of the well known COCOMO constructive cost model is calibrated with a Bayesian approach that balances 161 industry reference points with the determination of software development experts.
Software engineers use the COCOMO model to make financial decisions, set project budgets and schedules, negotiate tradeoffs, plan to maintain or upgrade legacy products, and decide where to implement process improvement.
www.cheap-mortgages-r-us.com /0130266922/Software_Cost_Estimation_with_Cocomo_II_with_CD-ROM.shtml   (423 words)

  
 Amazon.com: Software Cost Estimation with Cocomo II (with CD-ROM): Books: Barry W.Boehm,Ellis Horowitz,Ray ...   (Site not responding. Last check: 2007-11-02)
I was first introduced to the precursor of CoCoMo II when I ftp'd a whitepaper on estimating from the old decwrl site maintained by DEC in the mid 1980s.
Version II of CoCoMo rectifies this, and this book is an exhaustive description of software cost estimating in general and CoCoMo version II in particular.
The latest revision of the well known COCOMO constructive cost model is calibrated with a Bayesian approach that balances 161 industry reference points with the determination of software development experts.
www.amazon.com /Software-Cost-Estimation-Cocomo-CD-ROM/dp/0130266922   (1930 words)

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