INDUSTRY INSIGHTS YOUR PEERS ARE READING
This blog page is dedicated to the resources used to estimate software-intensive systems using traditional and agile development methods. COSMIC Software Estimation Approach,” Alain Abran, ICEAA Workshop, Portland Oregon, June 6?9, Estimating Probable System Cost,” Stephen A. MORE
Here's my three point estimate paradox: We all know we must estimate with three points (numbers). so we do it, reluctantly None of us actually want to work with (do arithmetic with) the three points we estimate. In a word, three point estimates suck -- not convenient, thus often put aside even if estimated -- and most of all: who among us can do arithmetic with three point estimates? MORE
I work in a domain where estimates are made every single week. Estimate to Complete (ETC), Estimate at Completion (EAC), Estimated Completion Date (ECD) are the life blood of our software intensive system of systems programs. But Estimating is NOT Guessing. MORE
Estimating project work is fraught with opportunities for things to go badly. Or perhaps the project hasn't started yet and you're still putting time and energy into good solid work estimations that will turn into timeframes of effort in your master schedule. MORE
The following content is based on the whitepaper, “Bigger Than a Breadbox: 10 Tips for Better Project Estimates, Part 2,” written by Jerry Manas. Part 1: Improve Project Estimates and Escape Crisis Mode. Use Horizon-Based Estimates. Part 3: Project Estimation Methods. MORE
The best a project manager can do is develop an accurate time estimate for how long it will take to satisfactorily complete the project. Time Estimation Matters. Looking into the future to determine how much time it will take complete project tasks allows for an estimation. MORE
We all make estimates; and we all make estimates all the time. When I make the 20 mile trip each Tuesday to a client site, I estimate adjustments to a baseline based on weather and road construction and if I know about an accident. Really, no one sets out to do anything meaningful without some estimate in mind re time, or cost, or risk; usually we can also notionally estimate the scope. So, agile estimate MORE
What is an estimate? An estimate as a noun is an approximate calculation or judgment of the value, number, quantity, or extent of something. An estimate as a verb is to roughly calculate or judge the value, number, quantity, or extent of. Estimates. MORE
That is why duration estimation is one of the most important aspects of project management. In most real life scenarios, clients and mangers are reasonable, giving us some freedom to determine duration estimates for doing our tasks, but this can create other problems. Exact Estimates. MORE
Project managers need to be comfortable with different estimation techniques. Foundational project management courses will teach you about analogous, bottom-up, parametric and three-point estimating. Estimate the size or effort of that story or work package. MORE
Estimating work in Agile is something many people struggle to understand. Hint: “They’re called estimates, not exactimates for a reason.” ” There’s even a whole camp dedicated to the idea of not estimating work. For More on Agile Estimation. MORE
Estimation is an invaluable tool for anticipating and managing project uncertainties. Accurate project estimates help identify cost and schedule requirements with relative precision, and reduce the risk of running out of time, resources, and budget during a project. Phased Estimating. MORE
The post How To Calculate The Cost of Project Management In Your Project Estimate? appeared first on The Digital Project Manager. Dear DPM DPM Podcast MORE
The following content is based on the whitepaper, “Bigger Than a Breadbox: 10 Tips for Better Project Estimates, Part 1,” written by Jerry Manas. Guess you could say it’s the GPS of estimating. The GPS of Estimating. Contributor estimates. Leveraging contributor estimates. MORE
There are dozens of quotes from this book floating about, but here's one worth writing down: "It is very difficult to make a vigorous, plausible, and job-risking defense of an estimate that is derived by no. business analysis estimate QuotationsFred Brooks, Jr.'s s "The Mythical Man-month" is still required reading, even if written decades ago. And, as these things go, it has a lot of humor, but also a lot of wit. MORE
You are assigned to manage a project and before you or your team have had an opportunity to start to chip away at the looming mountain of uncertainty, you get put on the spot to provide a cost or schedule estimate by your project sponsor or some other stakeholder. MORE
Estimating successfully is all about getting the right amount of funding to enable you to successfully deliver a project. The post How To Estimate Projects: The Complete Guide To Project Budget & Cost Estimation appeared first on The Digital Project Manager. But creating a project budget that works – delivering worthwhile value for a client at a cost that’s still going to make a respectable profit for the agency is a tricky balance, so how do you do it right? MORE
Creating an accurate estimate up front will help balance both sides by setting client expectations and preventing surprise costs from compromising profit margins. Having an accurate, reusable estimation model plays a pivotal role. What Makes an Accurate Estimation Model? MORE
Good cost estimation is essential for keeping a project under budget. Many costs can appear over the life cycle of a project, and an accurate estimation method can be the difference between a successful plan and a failed one. Estimation, however, is easier said than done. MORE
Estimation is an invaluable tool for anticipating and managing project uncertainties. Accurate project estimates help identify cost and schedule requirements with relative precision, and reduce the risk of running out of time, resources, and budget during a project. Phased Estimating. MORE
There's a never-ending opportunity to learn how to estimate in the presence of uncertainty. When you hear that estimates are a waste (we'd rather be coding), estimates are fiction, we're bad at estimating, and the plethora of other excuses for not learning how to estimate, ask if that person has done the minimal homework to learn how to estimate needed to make decisions in the presence of uncertainty found on all software development projects. . MORE
Since all risk comes from uncertainty - reducible (Epistemic) and irreducible (Aleatory), estimating is a foundation of all we do. There is no discussion of the conjecture that estimates are a waste, estimates can't be done, estimates are evil, estimates must be stopped immediately. To be informed how to estimate in this broad range of domains, problems, and impacts - education, exp[erience, and skill are needed. Gow to avoid common estimating mistakes. MORE
Let's talk about the challenges of schedule estimates and three estimating techniques that can help us do a better job with our estimates. Lastly, we'll look at how to respond to future requests for estimates. Challenges With Schedule Estimates. MORE
Poor estimation is a major cause of project failure. According to the PMI, inaccurate cost estimates is a contributing factor in 28% of projects that fail. Producing Realistic Estimates for Strategic Projects. Why Estimations Go Wrong. How else can we estimate it? MORE
One of the 4 summary root causes of project performance failures is Unrealistic Cost and Schedule Estimates based on inadequate risk-adjusted growth models. If you have no uncertainty, then estimates provide no value. Herding Cats: Basis of Estimating Software Development. MORE
This is why making ranged estimates for your projects is more realistic and reliable than aiming for a singular deadline. We use ranged estimates all the time in daily life. The advantage of making ranged estimates. Ranged vs single-point estimates. MORE
Importantly, we have to be able to do that without redirecting the whole org to create an estimate. We have to get good at taking ambiguous requirements and translating them into chunks that we can meaningfully size, even though we have very little info — rapid estimation. MORE
Can you make a decision without an estimate? There are NO means of making a credible decision in the presence of uncertainty without estimating the outcome of that decision. Don't assume, Estimate. Be an Adult, estimate the impact of the risk on the probability of success. MORE
The post Sustainable Estimating appeared first on Delivering a better world, one project at a time. The only certainty is that nothing is certain. Pliny the Elder, Roman scholar, 23-79 CE Our culture encodes a strong bias either to neglect or ignore variation. We tend to focus instead on measures of central tendency, and as a result we make some terrible mistakes, often with considerable practical import. Stephen Jay Gould, naturalist, […]. MORE
The post Challenges with Using PERT for Estimating appeared first on Delivering a better world, one project at a time. This post was modified from one I developed several years ago for the Mercure AACE 2013 program I took, called W5_PM_PERT-Challenges. MORE
As a Project Manager, doing project ESTIMATION is a key responsibility but how often are we able to deliver the project under budgeted cost and time? What will help in this scenario would be the right understanding of estimation tools and techniques. There are many techniques for project estimation like Bottom-Up Estimation, Parametric Estimation and Analogous Estimation. To start with, let’s understand Analogous Estimation, what exactly does it mean? MORE
I started thinking about how common it is for people to not be able to provide good estimates. It was ironic, but part of the work with my client that week was explaining the technique of relative estimates using t-shirt sizes and story points. The team I was working with was new to agile and used to the old way of doing absolute estimates, which as we all know are not as accurate because of things like student syndrome or Parkinson's Law. MORE
There are two reasons why Project Estimation is a big deal for project managers. And second, poor estimates are often a primary reason for a project cost or schedule over-run. What is Project Estimation? Why is Project Estimation so hard? The Estimation Knife Edge. MORE
How do you deal with a team that refuses to estimate how long tasks will take? Estimating can be done in several solid ways, and frankly, it sounds as if your colleagues don’t know how to estimate properly or are scared to give you the timescales that pop into their heads. MORE
Mike Cohn on estimating (from his email blasts): "Because I've written a book on estimating, people seem to think I estimate everything on my product backlog. I ask a team to estimate a product backlog item only when having the estimate will lead to actionably different behavior. So, for example, I might ask a team for an estimate on a user story so that I can decide if I want. agile estimate MORE
Planning Poker is a great freemium agile estimation digital card game that enables a collaborative approach for consensus-driven estimating to guide sprint planning. The post Planning Poker – build accurate estimates for sprints on agile projects appeared first on The Digital Project Manager. Play around. General Tools MORE
A statistical model for estimating isn’t normally something I’d put in the ‘make my job easy’ box, but I might just have found one that works. What if you want an estimate that is, say, 75% reliable? PERT can’t give you those kinds of estimates. How reliable is this estimate?”. MORE
Improve buy-in and support for your project budgets Do you ever feel like the Lone Ranger when trying to improve cost estimates? Many project managers are left to their own devices when estimating projects. So, how can we improve our cost estimates? MORE
Project management has existed forever now and with it – project estimation. Now it’s more MORE
s "The Mythical Man-month" "It is very difficult to make a vigorous, plausible, and job-risking defense of an estimate that is derived by no quantitative method, supported by little data, and certified chiefly by the hunches of the managers" Bookmark this on Delicious. estimateToday's quote: Here's a quotation that is a favorite of mine drawn from Fred Brooks, Jr.'s MORE
Estimates. An Estimate is a value inferred for a population of values based on data collected from a sample of data from that population. The estimate can also be produced parametrically or through a simulation (Monte Carlo is common, but Method of Moments is another we use). . Estimates can be about the past, present, or future. We can estimate the number of clams in the Pleistocene era that are in the shale formations near our house. Estimate to Complete. MORE
Estimate Related Topics 
ProjectManager.com
AUGUST 21, 2019
Good cost estimation is essential for keeping a project under budget. Many costs can appear over the life cycle of a project, and an accurate estimation method can be the difference between a successful plan and a failed one. Estimation, however, is easier said than done.
ProjectManager.com
SEPTEMBER 26, 2019
The best a project manager can do is develop an accurate time estimate for how long it will take to satisfactorily complete the project. Time Estimation Matters. Looking into the future to determine how much time it will take complete project tasks allows for an estimation.
LiquidPlanner
NOVEMBER 1, 2018
How do you deal with a team that refuses to estimate how long tasks will take? Estimating can be done in several solid ways, and frankly, it sounds as if your colleagues don’t know how to estimate properly or are scared to give you the timescales that pop into their heads.
Zen Project Management
MAY 22, 2017
I started thinking about how common it is for people to not be able to provide good estimates. It was ironic, but part of the work with my client that week was explaining the technique of relative estimates using t-shirt sizes and story points. The team I was working with was new to agile and used to the old way of doing absolute estimates, which as we all know are not as accurate because of things like student syndrome or Parkinson's Law.
Project Risk Coach
JUNE 11, 2018
Let's talk about the challenges of schedule estimates and three estimating techniques that can help us do a better job with our estimates. Lastly, we'll look at how to respond to future requests for estimates. Challenges With Schedule Estimates.
Girl's Guide to PM
OCTOBER 10, 2016
A statistical model for estimating isn’t normally something I’d put in the ‘make my job easy’ box, but I might just have found one that works. What if you want an estimate that is, say, 75% reliable? PERT can’t give you those kinds of estimates. How reliable is this estimate?”.
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Musings on Project Management
JANUARY 29, 2016
Mike Cohn on estimating (from his email blasts): "Because I've written a book on estimating, people seem to think I estimate everything on my product backlog. I ask a team to estimate a product backlog item only when having the estimate will lead to actionably different behavior. So, for example, I might ask a team for an estimate on a user story so that I can decide if I want. agile estimate
Musings on Project Management
AUGUST 14, 2017
We all make estimates; and we all make estimates all the time. When I make the 20 mile trip each Tuesday to a client site, I estimate adjustments to a baseline based on weather and road construction and if I know about an accident. Really, no one sets out to do anything meaningful without some estimate in mind re time, or cost, or risk; usually we can also notionally estimate the scope. So, agile estimate
iZenBridge
NOVEMBER 26, 2019
As a Project Manager, doing project ESTIMATION is a key responsibility but how often are we able to deliver the project under budgeted cost and time? What will help in this scenario would be the right understanding of estimation tools and techniques. There are many techniques for project estimation like Bottom-Up Estimation, Parametric Estimation and Analogous Estimation. To start with, let’s understand Analogous Estimation, what exactly does it mean?
Musings on Project Management
SEPTEMBER 5, 2018
Here's my three point estimate paradox: We all know we must estimate with three points (numbers). so we do it, reluctantly None of us actually want to work with (do arithmetic with) the three points we estimate. In a word, three point estimates suck -- not convenient, thus often put aside even if estimated -- and most of all: who among us can do arithmetic with three point estimates?
Online PM Courses
JUNE 3, 2018
There are two reasons why Project Estimation is a big deal for project managers. And second, poor estimates are often a primary reason for a project cost or schedule over-run. What is Project Estimation? Why is Project Estimation so hard? The Estimation Knife Edge.
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The Digital Project Manager
MAY 13, 2019
The post How To Calculate The Cost of Project Management In Your Project Estimate? appeared first on The Digital Project Manager. Dear DPM DPM Podcast
The Digital Project Manager
DECEMBER 5, 2017
Estimating successfully is all about getting the right amount of funding to enable you to successfully deliver a project. The post How To Estimate Projects: The Complete Guide To Project Budget & Cost Estimation appeared first on The Digital Project Manager. But creating a project budget that works – delivering worthwhile value for a client at a cost that’s still going to make a respectable profit for the agency is a tricky balance, so how do you do it right?
MPUG
JULY 8, 2019
That is why duration estimation is one of the most important aspects of project management. In most real life scenarios, clients and mangers are reasonable, giving us some freedom to determine duration estimates for doing our tasks, but this can create other problems. Exact Estimates.
MavenLink
APRIL 18, 2019
Creating an accurate estimate up front will help balance both sides by setting client expectations and preventing surprise costs from compromising profit margins. Having an accurate, reusable estimation model plays a pivotal role. What Makes an Accurate Estimation Model?
Herding Cats
MAY 7, 2019
This blog page is dedicated to the resources used to estimate software-intensive systems using traditional and agile development methods. COSMIC Software Estimation Approach,” Alain Abran, ICEAA Workshop, Portland Oregon, June 6?9, Estimating Probable System Cost,” Stephen A.
Kiron Bondale
JULY 3, 2016
You are assigned to manage a project and before you or your team have had an opportunity to start to chip away at the looming mountain of uncertainty, you get put on the spot to provide a cost or schedule estimate by your project sponsor or some other stakeholder.
Musings on Project Management
FEBRUARY 1, 2016
s "The Mythical Man-month" "It is very difficult to make a vigorous, plausible, and job-risking defense of an estimate that is derived by no quantitative method, supported by little data, and certified chiefly by the hunches of the managers" Bookmark this on Delicious. estimateToday's quote: Here's a quotation that is a favorite of mine drawn from Fred Brooks, Jr.'s
LiquidPlanner
FEBRUARY 22, 2018
Estimation is an invaluable tool for anticipating and managing project uncertainties. Accurate project estimates help identify cost and schedule requirements with relative precision, and reduce the risk of running out of time, resources, and budget during a project. Phased Estimating.
Project Risk Coach
JANUARY 16, 2017
Improve buy-in and support for your project budgets Do you ever feel like the Lone Ranger when trying to improve cost estimates? Many project managers are left to their own devices when estimating projects. So, how can we improve our cost estimates?
Leading Agile
FEBRUARY 25, 2019
Importantly, we have to be able to do that without redirecting the whole org to create an estimate. We have to get good at taking ambiguous requirements and translating them into chunks that we can meaningfully size, even though we have very little info — rapid estimation.
Kiron Bondale
FEBRUARY 18, 2018
Project managers need to be comfortable with different estimation techniques. Foundational project management courses will teach you about analogous, bottom-up, parametric and three-point estimating. Estimate the size or effort of that story or work package.
Green Project Management
JANUARY 15, 2018
The post Challenges with Using PERT for Estimating appeared first on Delivering a better world, one project at a time. This post was modified from one I developed several years ago for the Mercure AACE 2013 program I took, called W5_PM_PERT-Challenges.
Leading Agile
JANUARY 17, 2019
Estimating work in Agile is something many people struggle to understand. Hint: “They’re called estimates, not exactimates for a reason.” ” There’s even a whole camp dedicated to the idea of not estimating work. For More on Agile Estimation.
Musings on Project Management
AUGUST 9, 2016
There are dozens of quotes from this book floating about, but here's one worth writing down: "It is very difficult to make a vigorous, plausible, and job-risking defense of an estimate that is derived by no. business analysis estimate QuotationsFred Brooks, Jr.'s s "The Mythical Man-month" is still required reading, even if written decades ago. And, as these things go, it has a lot of humor, but also a lot of wit.
Project Smart
JULY 5, 2019
Estimating project work is fraught with opportunities for things to go badly. Or perhaps the project hasn't started yet and you're still putting time and energy into good solid work estimations that will turn into timeframes of effort in your master schedule.
Planview
JANUARY 3, 2019
The following content is based on the whitepaper, “Bigger Than a Breadbox: 10 Tips for Better Project Estimates, Part 1,” written by Jerry Manas. Guess you could say it’s the GPS of estimating. The GPS of Estimating. Contributor estimates. Leveraging contributor estimates.
Herding Cats
JULY 17, 2017
I work in a domain where estimates are made every single week. Estimate to Complete (ETC), Estimate at Completion (EAC), Estimated Completion Date (ECD) are the life blood of our software intensive system of systems programs. But Estimating is NOT Guessing.
Herding Cats
NOVEMBER 27, 2016
Estimates. An Estimate is a value inferred for a population of values based on data collected from a sample of data from that population. The estimate can also be produced parametrically or through a simulation (Monte Carlo is common, but Method of Moments is another we use). . Estimates can be about the past, present, or future. We can estimate the number of clams in the Pleistocene era that are in the shale formations near our house. Estimate to Complete.
The Digital Project Manager
MARCH 30, 2017
Planning Poker is a great freemium agile estimation digital card game that enables a collaborative approach for consensus-driven estimating to guide sprint planning. The post Planning Poker – build accurate estimates for sprints on agile projects appeared first on The Digital Project Manager. Play around. General Tools
Herding Cats
DECEMBER 30, 2017
One of the 4 summary root causes of project performance failures is Unrealistic Cost and Schedule Estimates based on inadequate risk-adjusted growth models. If you have no uncertainty, then estimates provide no value. Herding Cats: Basis of Estimating Software Development.
LiquidPlanner
FEBRUARY 22, 2018
Estimation is an invaluable tool for anticipating and managing project uncertainties. Accurate project estimates help identify cost and schedule requirements with relative precision, and reduce the risk of running out of time, resources, and budget during a project. Phased Estimating.
TimeCamp
JULY 30, 2019
Project management has existed forever now and with it – project estimation. Now it’s more
Herding Cats
NOVEMBER 3, 2016
Since all risk comes from uncertainty - reducible (Epistemic) and irreducible (Aleatory), estimating is a foundation of all we do. There is no discussion of the conjecture that estimates are a waste, estimates can't be done, estimates are evil, estimates must be stopped immediately. To be informed how to estimate in this broad range of domains, problems, and impacts - education, exp[erience, and skill are needed. Gow to avoid common estimating mistakes.
Herding Cats
SEPTEMBER 28, 2016
There's a never-ending opportunity to learn how to estimate in the presence of uncertainty. When you hear that estimates are a waste (we'd rather be coding), estimates are fiction, we're bad at estimating, and the plethora of other excuses for not learning how to estimate, ask if that person has done the minimal homework to learn how to estimate needed to make decisions in the presence of uncertainty found on all software development projects. .
Strategy Execution | PMO Perspectives
MARCH 28, 2019
Poor estimation is a major cause of project failure. According to the PMI, inaccurate cost estimates is a contributing factor in 28% of projects that fail. Producing Realistic Estimates for Strategic Projects. Why Estimations Go Wrong. How else can we estimate it?
Planview
JANUARY 31, 2019
The following content is based on the whitepaper, “Bigger Than a Breadbox: 10 Tips for Better Project Estimates, Part 2,” written by Jerry Manas. Part 1: Improve Project Estimates and Escape Crisis Mode. Use Horizon-Based Estimates. Part 3: Project Estimation Methods.
Herding Cats
APRIL 29, 2017
What is an estimate? An estimate as a noun is an approximate calculation or judgment of the value, number, quantity, or extent of something. An estimate as a verb is to roughly calculate or judge the value, number, quantity, or extent of. Estimates.
Herding Cats
JUNE 18, 2017
Can you make a decision without an estimate? There are NO means of making a credible decision in the presence of uncertainty without estimating the outcome of that decision. Don't assume, Estimate. Be an Adult, estimate the impact of the risk on the probability of success.
LiquidPlanner
JULY 18, 2016
This is why making ranged estimates for your projects is more realistic and reliable than aiming for a singular deadline. We use ranged estimates all the time in daily life. The advantage of making ranged estimates. Ranged vs single-point estimates.
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