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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. The reason for this resource page is the lack of understanding of how to estimate, the urban myths about software estimating, and the fallacies that estimating is not needed, when developing software, in the presence of uncertainty, when spending other peoples money. Estimating Probable System Cost,” Stephen A. 245, 2008.

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. The same process for estimating is applied to multi-billion dollar projects we work. And the same process is applied to the Scrum development processes on those projects. .

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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? Here are some resources that will provide guidance to produce credible software development estimates, in both traditional and agile domains. Software Sizing and Estimating: Mk II FPA , Charles Symons, John Wiley & Sons, 1991. Related articles.

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. Making the Impossible Possible: Applying Heliotropic Abundance for creating Program and Project Management Processes. How to Develop Credible Cost & Schedule Estimate.

2003 45

Resources for Cone of Uncertainty

Herding Cats

The planned uncertainty not only needs to decrease over time passing, but this reduction diminishes any impacts of risk on the decision-making processes. Some feel that the cone does not provide any value for the work they do and does not match the reducing uncertainty in their estimates. First, the Cone of Uncertainty is a Principle used to define the needed reduction in the variances of estimates on Programs. Accurate Estimates Without Local Data?”

2007 32

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. If your project has no uncertainty, there is no need to estimate. Aleatory uncertainty is expressed as a process variability. 12, 2008.

Planning a Budget for a Proposal in 5 Easy Steps (+ Example)

Girl's Guide to PM

This is a guest article by author Edoardo Binda Zane. Granted, if the budget you build in the proposal phase is carefully put together and everything goes according to plan, you will end up using that directly as your project budget, but for the purposes of this article, let’s just stick to the proposal phase. First, you need to explain your project and process well in the narrative of your proposal. In this article, I will show you exactly how to do that.

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Cone of Uncertainty - Part Trois

Herding Cats

The Cone is a project management framework describing the uncertainty aspects of estimates (cost and schedule) and other project attributes (cost, schedule, and technical performance parameters). Estimates of cost, schedule, technical performance on the left side of the cone have a lower probability of being precise and accurate than estimates on the right side of the cone. The BLUE bars are the probabilistic ranges of the current estimate date. Related articles.

2007 28

Cone of Uncertainty - Part Cinq (Updated)

Herding Cats

The Cone is a project management framework describing the uncertainty aspects of estimates (cost and schedule) and other project attributes (cost, schedule, and technical performance parameters). Estimates of cost, schedule, technical performance on the left side of the cone have a lower probability of being precise and accurate than estimates on the right side of the cone. Estimates are needed but are subject to large level of uncertainty. Agile 2008 Conference. [18]

2017 30

Treat Cause Not The Symptom

Herding Cats

When gaps in performance, benefits shortfalls, unanticipated cost, schedule, and performance variances, faulty products, or any undesirable outcome, blame the process, not people. Anytime you hear a description of some problem - a symptom - say bad management, misuse of some process, or poorly performing people issue, ask what is the root cause ? 1] Apollo Root Cause Analysis: Effective Solutions to Everyday Problems Every Time, 3rd Edition, Dean Gano, Atlas Books, 2008. [2]

2011 32

Little's Law - Use, Misuse, and Sometimes Simply Wrong Ideas

Herding Cats

The sequence of the work processing can be any order: First in First out, Last in First out, or any other or even a random sequence in your workflow. What is the process? . What are the steps in the process? But what if we're trying to decide what throughput is needed for some process in the future. That is we're planning for the future performance of the system to produce the outcomes of the software development processes NEEDED to meeet a business goal.

2011 32

Deconstructing The Cone of Uncertainty

Herding Cats

The paper on the Cone of Uncertainty is used by many in the No Estimates community as an example of why estimates are of little use. In this paper, there is data that does not follow the Cone of Uncertainty, in that the uncertainty of the estimates does not reduce as the project proceeds. There are projects did not follow the plan for reducing uncertainty in the estimates. But a more important idea is missing in the article. Related articles.

2007 37

Risk Management Resources

Herding Cats

requires making estimates) ? Project Risk Management: A Combined Analytic Hierarchy Process and Decision Tree Approach,” Prasanta Kumar Dey, Cost Engineering , Vol. Lessons Learned from Real World Application of the Bow-Tie Method,” Steve Lewis and Kris Smith, 6 th Global Congress on Process Safety , American Institute of Chemical Engineers, March 22?24, 79, 2008. “`,” Stephen Ward and Chris Chapman , International Journal of Project Management , 21, pp. 3, 2008.

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A Compendium of Risk Management Resources

Herding Cats

requires making estimates) ? Project Risk Management: A Combined Analytic Hierarchy Process and Decision Tree Approach,” Prasanta Kumar Dey, Cost Engineering , Vol. Lessons Learned from Real World Application of the Bow-Tie Method,” Steve Lewis and Kris Smith, 6 th Global Congress on Process Safety , American Institute of Chemical Engineers, March 22?24, 79, 2008. “`,” Stephen Ward and Chris Chapman , International Journal of Project Management , 21, pp. 3, 2008.

2012 33

The Best Time Tracking Software of 2018

Paymo App

Improve time estimates: You can use p reviously tracked time entries as the main indicator for your future projects. Through them, you’ll make better estimates for following tasks and set more accurate deadlines for similar projects. Onboarding process : We’ve gone through each step of the onboarding process to see exactly how easy it is for a user to get acquainted with a new tool. TSheets has a fast onboarding process. Published: February 2018.

2018 63

Trello vs Asana vs Toggl Plan: What’s the Best Project Management Tool (2020)

Teamweek

That’s what we’ll do in this article. Kanban was first introduced by Toyota to improve its manufacturing processes. Asana was founded in 2008 by ex-Google and Facebook engineers. Team members can also add a daily estimate in hours for each task. Looking at these granular estimates helps ensure that team members are not overwhelmed or underworked, and projects are adequately staffed. Trello and Asana are two popular project management tools.

2020 40

An In-Depth Look at the Top 8 Modern Project Management Tools

Paymo App

We thought it was about time for a detailed article about the modern tools designed to support the ways teams work today. Accounting: Generate invoices based on the amount of time spent on a task or project, track your expenses and create accurate estimates for clients. The initial onboarding process links you into 8 How To videos to get you running quickly. Overall those are the best star ratings of all the products in this article.

2017 82

Monday Sucks! – Here Are 10 Productivity Tips to Make It Less Sucky

Teamweek

In one 2008 study in Australia, Mondays were reported to be the day when people felt the lowest. An estimated 70% of workers are disengaged or actively despise their jobs. A few minutes of silent meditation will help you process any negative feelings and boost your concentration. Batch Process Routine Tasks. Make sure you check out the Teamweek blog for loads of articles surrounding this topic and how you can fit these practices into both your work and personal life.

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