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Glen B. Alleman
Performance-Based Project Management® in software intensive system of system
Interests: Earned Value, Risk, Cost, Program Performance, Integrated Master Plan, Integrated Master Schedule.
Recent Activity
There is a Blog Video speaking the #NoEstimates that opens with the following. Let's look at the credibility of each of the statements below: Estimating can be an endemic problem in organisations these days because estimating is fundamentally guessing, yet... Continue reading
Posted 2 days ago at Herding Cats
This presentation is showing up again. When it first appeared, I thought, the author needed to do some more research because most of the principles presented here are erroneous in principle. And the practices are not connected to any principle.... Continue reading
Posted Jun 12, 2018 at Herding Cats
There is always lots of complaining about the biases introduced into managing projects and making the estimates needed to make project decisions. In Kahnemann's Thinking Fast and Slow there are three biases. † Cognitive bias - a mistake in reasoning,... Continue reading
Posted Jun 9, 2018 at Herding Cats
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The term INVEST is an acronym for good User Stories Independent (of all others) Negotiable (not a specific contract for features) Valuable (to the business or the project) Estimable (to a good approximation) Small (so as to fit within an... Continue reading
Posted Jun 7, 2018 at Herding Cats
That’s your responsibility as a person, as a human being — to constantly be updating your positions on as many things as possible. And if you don’t contradict yourself on a regular basis, then you’re not thinking.— Malcolm Gladwell Continue reading
Posted Jun 6, 2018 at Herding Cats
The zeal for different opinions concerning religion, concerning the government, and many other points…have in turn divided mankind into parties, inflamed them with mutual animosity, and rendered them much more disposed to vex and oppress each other than to cooperate... Continue reading
Posted Jun 4, 2018 at Herding Cats
Capabilities Based Planning is Planning, under uncertainty, to provide capabilities suitable for a wide range of modern-day challenges and circumstances while working within an economic framework that necessitates choice. This process requires making estimates of cost, schedule, and technical performance... Continue reading
Posted May 31, 2018 at Herding Cats
Books are the training weights of the mind –Seneca When you hear some conjecture that can easily be debunked with a simple Google Search, you're can be pretty sure the person making that claim didn't do his homework. If you... Continue reading
Posted May 30, 2018 at Herding Cats
I do not define Time, Space, Place and Motion, as being well known to all. Only I must observe, that the common people conceive those quantities under no other notions but from the relation, they bear to sensible objects. And... Continue reading
Posted May 29, 2018 at Herding Cats
Uncertainty is the consequence of all complex systems. It is the lack of needed knowledge of the state of the system in the present or in the future that creates risk. [1], [2] Adaptability, flexibility, and other systems “‒illities” are... Continue reading
Posted May 27, 2018 at Herding Cats
Under normal circumstances the liar is defeated by reality, for which there is no substitute; no matter how large the tissue of falsehood that an experienced liar has to offer, it will never be large enough, even if he enlisted... Continue reading
Posted May 26, 2018 at Herding Cats
If we don't know which port we're steering for; no wind is favorable - Seneca This is the primary reason for planning and plans. Without a plan, we can't know what done looks like in any measure meaningful to the... Continue reading
Posted May 25, 2018 at Herding Cats
In Software Value of something is totally unrelated to Cost This is a popular fallacy in the #Noestimates advocates vocabulary. Let's look at the principles of cost, price, and value to the customer from the point of view of the... Continue reading
Posted May 25, 2018 at Herding Cats
Risk identification during early design phases of complex systems is commonly implemented but often fails to identify events and circumstances that challenge program performance. Inefficiencies in cost and schedule estimates are usually held accountable for cost and schedule overruns, but... Continue reading
Posted May 24, 2018 at Herding Cats
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In came across The Order of Time in Science, 4 May 2018. It looked interesting on the surface from the review. The author also wrote Seven Brief Lessons on Physics which I haven't read. This book approaches some fundamental questions... Continue reading
Posted May 23, 2018 at Herding Cats
Ignorance is a most wonderful thing. It facilitates magic. It allows the masses to be led. It provides answers where there are none. It allows happiness in the presence of danger. All this, while the pursuit of knowledge can only... Continue reading
Posted May 19, 2018 at Herding Cats
The Proffered pricniples in the open quote are a Fallacy, that is addressed in the body of the post. Those are NOT my principles, they'r bogus principles by agile advocates.
1 reply
Not sure how your comments related the separating Projects from Products.
1 reply
Agree, and focus more on discovery since in *delivery* you have 4 problems: 1. Requirements will change, 2. Requirements are never complete 3. It’s impossible to gather all requirements in beginning 4. You don’t have enough time or $$$ to... Continue reading
Posted May 12, 2018 at Herding Cats
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There's a fallacy used by some in the software development business, that estimates are not needed to make decisions in the presence of uncertainty. It turns ourt of course, this can only be true if the world we live in... Continue reading
Posted May 11, 2018 at Herding Cats
Ed, I came across your comment 3 years too late. The Cone of Uncertainty does not happen by itself. The management of the project must "make" the uncertainty reduce as a function of time. Little, Bossavit and most other critics of the COU have failed to understand or even read to learn this. Here's a good start http://csse.usc.edu/TECHRPTS/PhD_Dissertations/files/Aroonvatanaporn_Dissertation.pdf
1 reply
There is NO Principle of Managerial Finance, Probabilistic Decision Making, or Microeconomics of Software development, in the presence of uncertainties found on all projects, by which a credible decision can be made without estimating the impact of that decision on... Continue reading
Posted May 2, 2018 at Herding Cats
"Uncertainty is an essential and non-negotiable part of a forecast. .... sometimes an honest and accurate expression of the uncertainty is what has the potential to save [big things].... However, there is another reason to quantify the uncertainty carefully and... Continue reading
Posted May 1, 2018 at Herding Cats
It’s an inescapable fact that the causation of seriously harmful events in project management and product development includes multiple missed opportunities for multiple ordinary people, organizations, and groups to have prevented the harm entirely or to have greatly reduced it... Continue reading
Posted Apr 30, 2018 at Herding Cats