IWSM2014 COSMIC masterclass part 4 - Estimating with COSMIC (Alain Abran)

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COSMIC - Common Software Measurement International Consortium

The document outlines an agenda for a course on software project estimating using the COSMIC method. The course will cover topics such as the phases of estimation, economic concepts for models, analyzing inputs and outputs, and using COSMIC examples from industry. It is presented by Alain Abran, who has 20 years of experience in software development, maintenance, and process improvements.

Software

© Copyrights Abran 2014
Agenda
09:00 Version 4.0 of the COSMIC Method
09:45 The COSMIC approach for dealing with Non-Functional Requirements (NFR)
10:20 (Break)
10:40 Automatic COSMIC sizing of requirements held in UML
11:15 Project estimating with COSMIC
12:00 Close
1

© Copyrights Abran 2014
2
Alain Abran
20 years
20 years
+ 35 PhD
Development
Maintenance
Process Improvements
ISO: 19761, 9216, 25000, 15939, 14143, 19760

© Copyrights Abran 2014
Learning objectives
The participants of this course will be able to:
1.List & explain the various steps in estimating software projects.
2.How to build simple mathematical models using historical data with COSMIC data
3.How to analyze the quality of the inputs of the estimation models
4.How to analyze the quality of the outcomes of the estimation models
3

© Copyrights Abran 2014
List of topics
1.The phases in estimation
2.Economics concepts for estimation models
3.Analyzing the quality of the inputs
4.Analyzing the outcomes of estimation models
5.The Adjustments Phase
6.COSMIC examples with industry data
4

© Copyrights Abran 2014
ISBN (978-1-118-95408-9) Wiley-IEEE Press

© Copyrights Abran 2014
14
Estimator role: Provide information about uncertainty range

© Copyrights Abran 2014
15
Manager role:
Pick a number & Manage Risk

© Copyrights Abran 2014
Economies & diseconomies of scale
across ranges of outputs

© Copyrights Abran 2014 Real-time embedded software projects from a medium-size organization
56

© Copyrights Abran 2014 Projects from a financial governmental organization
62

© Copyrights Abran 2014
Which estimation model to use in which contexts?

71 © Copyrights Abran 2014
You want to know
more?
ISBN-13: 978-1118954089
ISBN-10: 1118954084

© Copyrights Abran 2014
73
alain.abran@etsmtl.ca

© Copyrights Abran 2014
© Copyrights Abran 2014

© Copyrights Abran 2014
82
Invalidity Range

In his book ‘Software Metrics and Software Metrology’ Dr. Abran has used a number of metrology concepts to document structural weaknesses in the design of well-known software metrics and, from the lessons learned, he has illustrated next how some metrology criteria had been taken into account in the design of the 2nd generation of a measurement method for the functional size of a software. In this talk, Dr. Abran will present some key metrology-related lessons learned from the past and how they relate to software measurement. He will also share recent insights from his exploration of the relevance and use of metrology concepts for software measurement, and how close or how far are we in a journey towards the design (and acceptance…) of an 8th base measure for software? ‘Many ad hoc software metrics have been defined and used. But when neither the methods of established metrology nor any comparable alternative are applied, the outcome is metrics and procedures that do not meet expectations for metrological rigor and results whose meaning and significance are unclear.’ From: ‘A Rational Foundation for Software Metrology’ – NIST 2016

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For COSMIC, 2014 is the year in which we upgraded the method to version 4.0. The same principles have now become more accessible to novice users and non-native English speakers. We also worked hard to make the organization more professional. New legislation in Canada speeded up the organizational part, because we had to rewrite our Constitution to fulfill the obligations posed by the new Not For Profit act in Canada. All key positions in the COSMIC organization are now subject to a 3-year review/re-election period to ensure that people holding such a position remain active and committed to the organization and its goals. In 2014 COSMIC dedicated a lot of time and energy in the relation with national Software Metrics Associations. Now key officials of a number of national SMA’s also hold key positions in the COSMIC organization. Among them the United States, Brazil, Mexico, Germany, Italy, Poland and the Netherlands. This has also resulted in two combined projects: - The development of a Case Study, together with Nesma - A common glossary on NFR, together with IFPUG We also worked hard in realizing an on-line certification exam for the entry-level certification exam. In this way more people can prove their knowledge of the fundamentals of the COSMIC method. Also we welcomed two additional countries to the IAC: Australia and South Africa. Two important industrialized nations now also have a local representation from COSMIC.

This presentation will challenge the application of metrics and other software engineering practices in commercial companies that do not have to comply with safety/ regulatory standards and thus can chose the SDLC approach that they feel more appropriate and cost effective for the intended purpose. Which are the practices that are really applied to make things happen under the tight constraints of time to market and profitability? A snapshot of the "hands-on" situation from the perspective of a large consulting company engaged with many customers in various markets and domains. Bio: Gualtiero Bazzana is Chairman of ITA-STQB, Head of Marketing WG for ISTQB and Managing Director of Alten Italia. He has been working in the IT domain since 20 years with a long lasting experience in the areas of testing, process improvement, quality. He has authored 50+ papers at international conferences on such subjects

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