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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. Performance Evaluation of non?Markovian

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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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Estimating Accuracy Mathematics

Herding Cats

In the estimating business, like many things in project management, there is confusion about principles, practices, and processes. A good estimation approach should provide estimates that are within 25% of the actual results, 75% of the time. Software Engineering Metrics and Models. Dunsmore and V.Y.

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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"? . If your project has no uncertainty, there is no need to estimate. All estimates have precision and accuracy. Deciding how much precision and accuracy is needed for a credible estimate is critical to the success of that decision.

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Real Options and Decision Making for ICT Projects

Herding Cats

Estimation locks down choices early through upfront t decision making, #NoEstimates preserves options. This is the same paradigm of Agile software development where responding to change over following the plan is part of the original manifesto. Aligning Software Investment Decisions with the Markets ," Hakan Erdogmus. "

2008 32
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Risk Management Resources

Herding Cats

requires making estimates) ? This blog page is dedicated to the resources used to assess risks, their impacts, and handling strategies for software-intensive systems using traditional and agile development methods. IEEE Transactions on Software Engineering , Vol. Software Engineering Institute, January 1996.

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Biases in Project Management and How to Remove Them

Herding Cats

There is always lots of complaining about the biases introduced into managing projects and making the estimates needed to make project decisions. What are the measures of physical percent complete needed to inform the decision makers of progress to plan in order to take corrective or preventive actions to stay on plan?