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Introducing me
Drs. Harold van Heeringen, (Veendam, the Netherlands)
▪ >25 years experience in IT, >20 years in software measurement and metrics.
▪ IDC Metri – Principal Consultant and Practice Lead IT Intelligence services.
▪ ISBSG – Immediate Past President.
▪ NESMA – chairman.
▪ SIG ICEAA Software – Board member.
▪ 50 years young.
▪ Living in Veendam, the Netherlands.
▪ Married, 3 children.
▪ Passions: playing speed chess, skiing, travelling, fitness, mountain biking, playing padel.
Agenda
▪ The reasons why Software Cost Estimation is important.
▪ Introduction to the ICEAA Software Special Interest Group.
▪ The Cost Estimation Body of Knowledge (CEBoK-S).
▪ How to become a certified Software Cost Estimator.
▪ Q&A session
▪ Final thought
This webinar is being
recorded!
Why Software Cost Estimation? Avoid project failures!
Some software development ‘laws’
The first 90 percent of the code accounts for the first 90
percent of the development time. The remaining 10
percent of the code accounts for the other 90 percent of
the development time. — Tom Cargill, Bell Labs
Hofstadter's Law: It always takes longer than you expect,
even when you take into account Hofstadter's Law.
— Douglas Hofstadter, Gödel, Escher, Bach: An Eternal Golden Braid[
What one programmer can do in one month, two
programmers can do in two months.
— Frederic Brooks – The mythical man-month
Estimation maturity model
Estimation Bias Mitigation
Begins at Level 2,
Solid at Level 3
• Expert opinions, not based on
data.
• Human bias: Likely to be
inaccurate and low
• Parametric
estimates
• Based on size,
data and models
Source: www.galorath.com
The effect of optimisms and pessimism on the result
Non-linear extra costs
Planning errors
Team enlargement →more
expensive, not faster
Extra management attention /
overhead
Stress: More defects, lower
maintainability !!
Linear extra costs
Extra hours will be used
Industry software project estimation
Software
Software
ICEAA and Nesma
Signed a Charter to establish the ICEAA
Software Special Interest Group
To promote
CEBoK-S and SCEC certification
www.nesma.org
www.iceaaonline.com
CEBoK-S lesson summary
Why would you want this? Let’s ask AI!
Chat GPT response
1. Professional Recognition: SCEC certification is a formal recognition of your expertise in software cost
estimation. It can enhance your professional credibility and distinguish you as a skilled and
knowledgeable practitioner in the field.
2. Career Advancement: Many employers value certifications as a measure of a candidate's or
employee's commitment to continuous learning and professional development. SCEC certification can
open up opportunities for career advancement, including promotions and increased responsibilities.
3. Competitive Edge: In a competitive job market, having SCEC certification can set you apart from other
candidates who may not have specialized training in software cost estimation. It demonstrates to
employers that you have the skills and knowledge needed to excel in this specific domain.
4. Industry Standards: Certification programs are often designed to ensure that professionals meet
industry standards and best practices. By obtaining SCEC certification, you signal to employers that
you are familiar with the latest methodologies, tools, and techniques in software cost estimation.
5. Network Opportunities: Becoming certified can provide you with access to a network of professionals
who have also achieved SCEC certification. Networking within this community can lead to valuable
connections, mentorship opportunities, and the exchange of ideas and best practices.
Chat GPT response
6. Organizational Benefits: If you are already employed, SCEC certification can benefit your organization
as well. It signifies that you have the skills to contribute effectively to software cost estimation
projects, potentially leading to more accurate budgeting and resource allocation.
7. Professional Growth: Pursuing SCEC certification may involve ongoing education and staying current
with industry trends. This commitment to continuous learning can contribute to your overall
professional growth and keep you abreast of advancements in software cost estimation.
Before pursuing SCEC certification, it's important to assess whether the content aligns with your career
goals and if the investment of time and resources is worthwhile for your specific situation. Additionally,
staying informed about the latest developments in software cost estimation and related fields can help
you make well-informed decisions about pursuing certification.
How to certify?
▪ Software Cost Estimating Certification (SCEC) – the SCEC certification distinguishes professionals
committed to excellence and demonstrates mastery of the elements of a successful software cost
estimate. Applicants must have 2 years of relevant software cost-related experience to qualify,
then pass the SCEC exam.After passing, your SCEC is valid for 5 years and is renewable either by
retaking the exam or by a points system (see How Do I Renew My Certification).
▪ Starting January 1, 2024, all individuals interested in sitting for the SCEC exam will be required
to purchase or show proof of having purchased the CEBoK-S training material.
▪ Exam FAQ: https://www.iceaaonline.com/certificationfaq/#taking
▪ Application: https://www.iceaaonline.com/application/
▪ Interested attending a CEBoK-S training? Let us know: office@nesma.org .
ICEAA Software SIG - charter
Mission and Purpose of the Software SIG
▪ The mission and purpose of the Software SIG is:
1. To promote the training and certification for software estimation based upon the Cost
Estimating Body of Knowledge – Software (CEBoK-S).
2. Provide on-going review and updates to CEBoK-S.
3. Identify and develop additional software/IT estimation related products to advance the
profession.
Organization
▪ The Software SIG is a Special Interest Group (SIG) of ICEAA which will be open to all
ICEAA and Nesma members.
▪ Wish to become a Nesma member? Click here.
0%
10%
20%
30%
40%
50%
60%
70%
80%
2011 2012 2013 2014 2015 2019 2022 2025 2030
Project Success Rate
Succesful Challenged Failed
Keep the dream alive – CERTIFY SCEC
and help the industry!!
https://www.iceaaonline.com/cebok-s/
Software
Thank you for attending this webinar!
▪
Haroldvanheeringen
Want to become a Nesma member?
https://nesma.org/members/registration-form/
€ 125 per year to connect with the Nesma community,
including access to a physical member meeting/network event!
Nesma: http:// www.nesma.org
IDC Metri: http://www.idc.com/idcmetri
Harold.van.Heeringen@nesma.org
hvanheeringen@idc.com
ISBSG data: The development & enhancements repository (2023)
11800+ data points of new development and enhancement projects, releases and sprints.
253 columns with project data attributes.
PDR = hours per FP (inverse of universal concept of
Productive)

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Software Cost Estimation webinar January 2024.pdf

  • 1.
  • 2. Introducing me Drs. Harold van Heeringen, (Veendam, the Netherlands) ▪ >25 years experience in IT, >20 years in software measurement and metrics. ▪ IDC Metri – Principal Consultant and Practice Lead IT Intelligence services. ▪ ISBSG – Immediate Past President. ▪ NESMA – chairman. ▪ SIG ICEAA Software – Board member. ▪ 50 years young. ▪ Living in Veendam, the Netherlands. ▪ Married, 3 children. ▪ Passions: playing speed chess, skiing, travelling, fitness, mountain biking, playing padel.
  • 3. Agenda ▪ The reasons why Software Cost Estimation is important. ▪ Introduction to the ICEAA Software Special Interest Group. ▪ The Cost Estimation Body of Knowledge (CEBoK-S). ▪ How to become a certified Software Cost Estimator. ▪ Q&A session ▪ Final thought This webinar is being recorded!
  • 4. Why Software Cost Estimation? Avoid project failures!
  • 5. Some software development ‘laws’ The first 90 percent of the code accounts for the first 90 percent of the development time. The remaining 10 percent of the code accounts for the other 90 percent of the development time. — Tom Cargill, Bell Labs Hofstadter's Law: It always takes longer than you expect, even when you take into account Hofstadter's Law. — Douglas Hofstadter, Gödel, Escher, Bach: An Eternal Golden Braid[ What one programmer can do in one month, two programmers can do in two months. — Frederic Brooks – The mythical man-month
  • 6. Estimation maturity model Estimation Bias Mitigation Begins at Level 2, Solid at Level 3 • Expert opinions, not based on data. • Human bias: Likely to be inaccurate and low • Parametric estimates • Based on size, data and models Source: www.galorath.com
  • 7. The effect of optimisms and pessimism on the result Non-linear extra costs Planning errors Team enlargement →more expensive, not faster Extra management attention / overhead Stress: More defects, lower maintainability !! Linear extra costs Extra hours will be used
  • 9.
  • 11. ICEAA and Nesma Signed a Charter to establish the ICEAA Software Special Interest Group To promote CEBoK-S and SCEC certification
  • 14.
  • 16.
  • 17. Why would you want this? Let’s ask AI!
  • 18. Chat GPT response 1. Professional Recognition: SCEC certification is a formal recognition of your expertise in software cost estimation. It can enhance your professional credibility and distinguish you as a skilled and knowledgeable practitioner in the field. 2. Career Advancement: Many employers value certifications as a measure of a candidate's or employee's commitment to continuous learning and professional development. SCEC certification can open up opportunities for career advancement, including promotions and increased responsibilities. 3. Competitive Edge: In a competitive job market, having SCEC certification can set you apart from other candidates who may not have specialized training in software cost estimation. It demonstrates to employers that you have the skills and knowledge needed to excel in this specific domain. 4. Industry Standards: Certification programs are often designed to ensure that professionals meet industry standards and best practices. By obtaining SCEC certification, you signal to employers that you are familiar with the latest methodologies, tools, and techniques in software cost estimation. 5. Network Opportunities: Becoming certified can provide you with access to a network of professionals who have also achieved SCEC certification. Networking within this community can lead to valuable connections, mentorship opportunities, and the exchange of ideas and best practices.
  • 19. Chat GPT response 6. Organizational Benefits: If you are already employed, SCEC certification can benefit your organization as well. It signifies that you have the skills to contribute effectively to software cost estimation projects, potentially leading to more accurate budgeting and resource allocation. 7. Professional Growth: Pursuing SCEC certification may involve ongoing education and staying current with industry trends. This commitment to continuous learning can contribute to your overall professional growth and keep you abreast of advancements in software cost estimation. Before pursuing SCEC certification, it's important to assess whether the content aligns with your career goals and if the investment of time and resources is worthwhile for your specific situation. Additionally, staying informed about the latest developments in software cost estimation and related fields can help you make well-informed decisions about pursuing certification.
  • 20. How to certify? ▪ Software Cost Estimating Certification (SCEC) – the SCEC certification distinguishes professionals committed to excellence and demonstrates mastery of the elements of a successful software cost estimate. Applicants must have 2 years of relevant software cost-related experience to qualify, then pass the SCEC exam.After passing, your SCEC is valid for 5 years and is renewable either by retaking the exam or by a points system (see How Do I Renew My Certification). ▪ Starting January 1, 2024, all individuals interested in sitting for the SCEC exam will be required to purchase or show proof of having purchased the CEBoK-S training material. ▪ Exam FAQ: https://www.iceaaonline.com/certificationfaq/#taking ▪ Application: https://www.iceaaonline.com/application/ ▪ Interested attending a CEBoK-S training? Let us know: office@nesma.org .
  • 21. ICEAA Software SIG - charter Mission and Purpose of the Software SIG ▪ The mission and purpose of the Software SIG is: 1. To promote the training and certification for software estimation based upon the Cost Estimating Body of Knowledge – Software (CEBoK-S). 2. Provide on-going review and updates to CEBoK-S. 3. Identify and develop additional software/IT estimation related products to advance the profession. Organization ▪ The Software SIG is a Special Interest Group (SIG) of ICEAA which will be open to all ICEAA and Nesma members. ▪ Wish to become a Nesma member? Click here.
  • 22.
  • 23.
  • 24. 0% 10% 20% 30% 40% 50% 60% 70% 80% 2011 2012 2013 2014 2015 2019 2022 2025 2030 Project Success Rate Succesful Challenged Failed Keep the dream alive – CERTIFY SCEC and help the industry!! https://www.iceaaonline.com/cebok-s/ Software
  • 25. Thank you for attending this webinar! ▪ Haroldvanheeringen Want to become a Nesma member? https://nesma.org/members/registration-form/ € 125 per year to connect with the Nesma community, including access to a physical member meeting/network event! Nesma: http:// www.nesma.org IDC Metri: http://www.idc.com/idcmetri Harold.van.Heeringen@nesma.org hvanheeringen@idc.com
  • 26. ISBSG data: The development & enhancements repository (2023) 11800+ data points of new development and enhancement projects, releases and sprints. 253 columns with project data attributes. PDR = hours per FP (inverse of universal concept of Productive)