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Basis of Estimating Software Development

Herding Cats

The estimating of software development is both straightforward and complex. When it is suggested that estimating is hard, of no value, and unnecessary, always ask what principle is used to support that claim? Software Sizing and Estimating: Mk II FPA , Charles Symons, John Wiley & Sons, 1991.

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Principles of Cost and Schedule Estimating

Herding Cats

One of the 4 summary root causes of project performance failures is Unrealistic Cost and Schedule Estimates based on inadequate risk-adjusted growth models. If you have no uncertainty, then estimates provide no value. One notion in a governance paradigm is It's Not Your Money . This is how business works.

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Is Software Development Art or Engineering

Herding Cats

Signal processing is a domain of software development well suited to the paradigm of engineered systems. This domain has turned into the S oftware Intensive System of Systems (SISoS) paradigm that dominates software development activities today. Software-intensive systems include: . Related articles.

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Estimating is a Learned Skill

Herding Cats

Estimating is a learned skill, used for any purpose from every-day life to management of projects. When I left for the airport this morning to catch my flight to a customer site I estimated, given the conditions, how much time I need to get to my favorite parking spot at DIA. So when you hear we can't estimate you'll know better.

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Software Estimating Resources

Herding Cats

This blog page is dedicated to the resources used to estimate software-intensive systems using traditional and agile development methods. Cost Modeling Agile Software Development,” Maarit Laanti and Petri Kettunen, International Transactions on Systems and Applications, Volume 1 Number 2, pp.

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When to Estimate and When Estimates aren't Needed

Herding Cats

Paul Boos has a post about estimating and makes a case for the Principles of when NOT to estimate. This struck a cord around a bigger topic - the inversion of estimating. When should we NOT estimate? Then on to the original conjecture for No Estimates from Paul's post. That is, to make decision with “No estimates”.

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Where to Start with Scrum? Is Value Stream Mapping Your Answer?

Scrum.org

In the realm of software development, principles of DevOps and a commitment to technical excellence can further enhance the process. Originating from lean manufacturing principles, VSM's relevance has expanded, becoming a cornerstone in fields such as software development.

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