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Glen B. Alleman
Boulder, Colorado
Performance-Based Project Management®
Interests: Earned Value, Risk, Cost, Program Performance, Integrated Master Plan, Integrated Master Schedule.
Recent Activity
If we don't remember those who have died, they died for nothing From 1775 to Present - 2,852,901 Continue reading
Posted yesterday at Herding Cats
The basis of #Noestimates is that decisions can be made in the presence of uncertainty without having to estimate the impact of those decisions Here's a research paper that hopefully will put an end to the nonsensical idea of #NoEstimates.... Continue reading
Posted 4 days ago at Herding Cats
Here's a straightforward approach to estimating on agile projects. This is an example of the estimating profession found on many domains. Continue reading
Posted 5 days ago at Herding Cats
Uncertainty is all around us. In the project world, uncertanty comes in two forms: Aleatory Uncertainty - the naturally occurring variances due to the underlying statistical processes of the project. These can be schedule variances, cost variances, and technical variances... Continue reading
Posted 6 days ago at Herding Cats
Wise men profit more from fools than fools from wise men; for the wise men shun the mistakes of fools, but fool do not imitate the success of the wise - Cato the Elder Any conjecture not based on testable... Continue reading
Posted 7 days ago at Herding Cats
Estimating is part of all decision making in the presence of uncertainty. Accuracy and precision are two primary attributes of all estimates. We all know estimates are hard. But there are lots of hard things in the development of enterprise... Continue reading
Posted May 23, 2016 at Herding Cats
The on-going discussions that Decisions can be made in the absence of estimates reminds me of this concept. The conjecture that we can manage in the presence of uncertanty without estimating the impacts of our decisions, willfully ignores uncertainties in... Continue reading
Posted May 23, 2016 at Herding Cats
"It is the mark of an instructed mind to rest satisfied with the degree of precision that the nature of the subject admits, and not to seek exactness when only an approximation of the truth is possible." Aristotle Continue reading
Posted May 22, 2016 at Herding Cats
Do not deny the classical approach, simply as a reaction, or you will have created another pattern and trapped yourself there. — Bruce Lee Any new innovative or revolutionary suggestion in the software development world, needs to be anchored on... Continue reading
Posted May 19, 2016 at Herding Cats
A primary learning process is research. This process is part of all science, engineering, management processes. Here's a starting point for learning how to estimate in the presence of uncertainty on agile projects. This is the start of a literature... Continue reading
Posted May 15, 2016 at Herding Cats
The conjecture of #NoEstimates starts with the first Tweet This conjectures - (there are) ... ways to make decisions with No Estimates ... is not founded on any principle of business management, microeconomics of decision making, or principles of probability... Continue reading
Posted May 8, 2016 at Herding Cats
Predictions are always difficult - especially about the future ― Niels Bohr ― Neandertal's Guide to Cost Estimating, Naval Aviation Systems This is a quote often used by those conjecturing that estimating is a waste. The quote is true of... Continue reading
Posted May 4, 2016 at Herding Cats
Guess: a conjecture based on little or no evidence Estimate: a guess made by an expert ― Neandertal's Guide to Cost Estimating, Naval Aviation Systems All project work is based on probabilities driven by statistical processes. All decisions made on... Continue reading
Posted May 2, 2016 at Herding Cats
All successful projects adhere to these five immutable principles during the lifecycle of the design, development, deployment, and operation. These principles are independent of any project or program domain or context in that domain. They are also independent of any... Continue reading
Posted May 1, 2016 at Herding Cats
The answer to this question starts with a simple principle based notion. Can you make a non-trivial (not de minimis) decision in the presence of uncertainty? The #Noestimates advocates didn’t start there. They started with “Estimates are a waste, stop... Continue reading
Posted Apr 26, 2016 at Herding Cats
If your business is not subject to any external governance process, you’re free to spend your money as you please. But you’re not free to suggest your approach is applicable to those who are governed by external frameworks of spending... Continue reading
Posted Apr 25, 2016 at Herding Cats
For the great enemy of truth is very often not the lie ― deliberate, contrived, and dishonest ― but the myth ― persistent, persuasive, and unrealistic. Too often we hold fast to the clichés of our forebears. We subject all... Continue reading
Posted Apr 24, 2016 at Herding Cats
From Estimating Software Costs: Bringing Realism To Estimating, 2nd Edition. Initial requirements are seldom more than 50 percent complete Requirements grow at about 2 percent per calendar month during development About 20 percent of initial requirements are delayed until a... Continue reading
Posted Apr 18, 2016 at Herding Cats
There's a meme going around in some parts of agile that management is inhumane. This is an extreme view of course, likely informed by anecdotal experience with Bad Management, or worse lack of actual management experience. Managing in the presence... Continue reading
Posted Apr 17, 2016 at Herding Cats
The Project Breathalyzer provides question for the Program Manager to assess of the project is fit to be on the road. If the Program Manager cannot answer these questions about the current status, or answers in the negative , then... Continue reading
Posted Apr 12, 2016 at Herding Cats
There a popular notions in the agile development world that authors like Hayek and Taleb speak to how software development works. Let's look at one example. You Can’t Understand Agile Without Understanding Hayek. Let's look at Hayek's paper. "The Use... Continue reading
Posted Apr 5, 2016 at Herding Cats
There was a Twitter post mentioning Russell Ackoff YouTube about systems. A system is never the sum of its parts, it's the product of their interactions. This is a good start, but it needs to produce actionable outcomes, not just... Continue reading
Posted Apr 4, 2016 at Herding Cats
Our daughter is an elementary school teacher in Austin - and a Graduate student at UT Austin in the Board Certified Behavioral Analyst program. When I hear about some corrective action to an unnamed cause - not the symptom but... Continue reading
Posted Apr 2, 2016 at Herding Cats
Program Performance Management is a core process for any successful business venture that develops products Forecasting cost and schedule performance from Glen Alleman Continue reading
Posted Mar 29, 2016 at Herding Cats
I listened to the final rant of Jon Stewart (BIG CAUTION this show is from Cable and for Adults Only, just like Risk Management) and came away with inspiration for a post, which I've edited a bit to remove the... Continue reading
Posted Mar 28, 2016 at Herding Cats