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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. Related articles.

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Strategic Project Portfolio Management [Book Review]

Rebel’s Guide to PM

It covers the whole lifecycle from finding ideas for projects, through the prioritisation process and planning for the most productive organisation possible. Estimating For Success. Maybe best of all, Moore talks about range-based estimates – a topic I’m very interested in.

PMO 150
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Estimating the Risk

Herding Cats

Aleatory uncertainty, which is the naturally occurring yields variances in the underlying processes. Epistemic uncertainty comes from probabilistic processes that can be addressed with handling responses. Without these estimates, there is no risk management. Without these estimates, there can be no risk management.

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Entering Actuals During the Tracking Cycle

MPUG

In my recent Tracking Starts with a Status Date article, a four-step tracking cycle was defined. The tracking process is not as trivial as marking a task complete as planned or using simple percent complete estimates. Uyttewaal (2010) provides a thorough discussion. ProjectPro, 2010. We also need a status date.

2010 52
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Reading List for the Cone of Uncertainty

Herding Cats

The primary purpose of software estimation is not to predict a project’s outcome; it is to determine whether a project’s targets are realistic enough to allow the project to be controlled to meet them ? The difficulty of accurate size estimation is compounded especially at the time of inception when very little information is available.

2012 48
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A Compendium of Works to Increase the Probability of Project Success

Herding Cats

Here are my collected works, presentations, briefings, journal papers, articles, white papers, and essays, used to increase the Probability of Project Success (PoPS) I've developed and applied over my career in the software-intensive system of systems domain. Managment Processes. Presentations and Briefings. Flawless Execution.

2003 54
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Misunderstanding Making Decisions in the Presence of Uncertainty

Herding Cats

What happens if you shift focus from "accurate estimation" to "reliably shipping by a date"? . This quote demonstrates a lack of understanding of making decisions in the presence of uncertainty and the processes and events that create uncertainty. There is naturally occurring variability from uncontrolled processes.

2003 46