Herding Cats

Function Points and Software Development Estimating

The ISO/IEC 141143-6:2012 Standard for functional size measurement Productivity Measurement of software projects. There are five functional size measurement methods in compliance with ISO/IEC standard. NESMA function points (ISO/IEC 24570) IFPUG function points (ISO/IEC 20926); COSMIC function points (ISO/IEC 19761)... Read more →

Why Would You NEVER Apply Agile Software Development Processes?

In 2018, the notion of Agile Software Development has become the norm where we work. Here's a small sample of the guidance Update 2016: Considerations for Using Agile in DOD Acquisition Handbook for Implementing Agile in Department of Defense Information... Read more →

DDSTOP The Saga Continues

There's been a rash of conjectures about all kinds of bad business, project, and software development (agile and traditional) management ideas of late. Time to update the Don't Do Stupid Things on Purpose (DDSTOP) post. “There’s nothing more dangerous than... Read more →

Non-Ergodic Behaviour of Projects

In a previous post Why Johnny Can't Do The Math, the suggestion that estimates are non-ergodic is a Category error. It's the underlying processes that are ergodic or non-ergodic. In this case, the project is the underlying process. When I... Read more →

How To Produce and Covey Credible Software Development Estimates

Let's start with some classes of projects. Here's a chart like to use because it covers most of the classes of project's I've worked over my career from simple family gardening to the International Space Station. Each of these projects... Read more →

Start with the End in Mind

The notion - a fallacious notion - that done will emerge, is common in some circles of Agile and especially those agile advocates proferring No Estimates. The Greeks and Romans had a good understanding of most things we take for... Read more →

You Can Not "Control" Projects

The #NoEstimates are right you can not Control projects. All projects, no matter the domain, processes, or technology, operate in the presence of uncertainty - reducible (Epistemic) and irreducible (Aleatory). The only thing that can take place is to Manage... Read more →

Value Theory for Projects and Estimating

No Value can be determined without knowing something about the cost to produce that Value and the Time that Value will be arriving. † In the presence of uncertainty, this knowing must be estimated to some acceptable level of confidence.... Read more →

Quote of the Day

“Anyone who expects a quick and easy solution to the multifaceted problem of resource estimation is going to be disappointed.” 1968, Alfred M. Pietrasanta at IBM System Research Institute Read more →

Predicting the Unpredictable (A Book Review)

I came to this book with an anticipation of a coherent discussion of estimating on modern software development projects. The subtitle is Pragmatic Approached to Estimating Project Schedule and Cost, says I'd find practical advice on how to estimate software... Read more →

Phrases Used for Technical Performance Measures

All project progress is measured independent of resources expended - Mr. Gary Bliss, Director Performance Assessment and Root Cause Analysis (PARCA), US Department of Defense The phrases used here are the results of research conducted on behalf of PARCA. No... Read more →

What Are Story Points and How Can They Be Used on Agile Projects?

The development of software, using other peoples money (OPM) means - or should mean - that those providing the money have an expectation to know How Much Money, along with When well you be done spending that money and provide... Read more →

A Compendium of Estimating Resources

This blog page is dedicated to the resources used to estimate software-intensive systems and their related hardware and work processes when applying traditional and agile product development methods. These Papers, Books, and Thesis and other resources - for the most... Read more →

Podcast Interview

On a recent flight, I met Rory Rowland. Rory is in the Missouri House of Representative, a former CEO of a Credit Union, and a consultant and author. We started talking as well traveled travelers do, sharing backgrounds and current... Read more →

Quote of the Day

The man who grasps principles can successfully handle his own methods. The man who tries methods, ignoring principles is sure to have trouble — Ralph Waldo Emerson So Just Remember ... There is no principle by which you can make... Read more →

Deconstructing the Hertz and Accenture Debacle

A recent lawsuit by Hertz Rental Car against Accenture has turned into a rallying cry by Agilest and No Estimates advocates. Of course, No Root Cause analysis has been performed by these advocates, but it makes good click bait for... Read more →

Compendium of Works to Increase Probability of Project Success

This collection of presentations, briefings, journal and conference papers, essays, book content has been used to increase the Probability of Project Success (PoPS) written and applied over my career in the software-intensive system of systems and other business and technical... Read more →

Risk Management is How Adults Manage Projects

In a recent exchange in social media, it was clear the notion of risk and the sources of risk, the consequences or risks and managing in the presence of risk was in very unclear, when it was conjectured, we can... Read more →

What's Missing from the Agile Software Development Paradigm

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. There is a fundamental critical success factor missing from this... Read more →

Agile for Project Managers

I rarely republish other blogs or presentations. But this one is timeless and needs to be restated at every opportunity. I've corresponded with John over the years. Here's the presentation. As well but John's books. Here's the one we use... Read more →