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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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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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Decision Making On Software Development Projects

Herding Cats

Decision Making on Software Development Projects Is Both Simple and Complex at the Same Time. Reducible risk requires estimating the probability distribution of the occurrence. Irreducible risk requires estimating the statistical distribution of the naturally occurring processes. Risk management requires estimating.

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Thinking By Sprinting: What Cognitive Science Tells Us About Why Scrum Works

Scrum.org

Software development is (generally speaking) very complex. Although our brain is a marvel of evolution, it has not evolved to excel at the kind of knowledge work (Davenport, 2005) that we actually do most of the time. This will affect all estimates and predictions. This will affect all estimates and predictions.

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What's Missing from the Agile Software Development Paradigm

Herding Cats

Agile software development is framed by a manifesto , a set of 12 principles, several methods. These are all focused on developing software, delivering that software to those paying the developers. Why This Missing Concept is Important to Agile Software Development? . 81-100, 2009. [4]

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PERT Guide For Project Managers and Productivity Gurus

nTask

PERT or Project Evaluation and Review Technique is a statistical tool that is used in project management to estimating the minimum time required for a project to complete by analyzing all the tasks required and by calculating the minimum time it would take to complete each task in the project. Introduction. Critique of the PERT Methodology.

2005 100