Cost Estimation for Projects: How to Estimate Accurately

ProjectManager.com

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. Cost estimation is the process that takes those factors into account, and calculates a budget that meets the financial commitment necessary for a successful project. Analogous Estimating.

Estimating Agile Projects.Or Not

Leading Answers

Project managers generally like plans and estimates so we can forecast when things should be done and how much they may cost. " So, when project managers hear about ideas such as "let's stop estimating," it can trigger a knee-jerk reaction.

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Ask a PM: How to Get Proper Estimates

LiquidPlanner

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. It is difficult to estimate when the task is too big. If the tasks are too chunky, it will be too challenging to come up with anything like a realistic estimate.

Project Management Processes & Phases

ProjectManager.com

If so, it might be time to start implementing proven project management processes and phases at your organization in order to bring your company’s workflow under control. At first, the concept of the project management process and its practical adaption can seem a little daunting, but this article will give you everything you need to set up PM processes and phases at your business. Cost: Estimate the costs involved across the project and formulate a budget.

How to Package and Price Embedded Analytics

What’s more, these features contribute 54 percent of the overall value of software products, as estimated by independent. If so, moving the feature to an optional add-on may also reduce friction in the sales process. You need to take another step to estimate.

How To Be An Estimating Superhero

Girl's Guide to PM

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. He’s taken the PERT (Project Evaluation and Review Technique) estimating approach to the next level by letting you add a dash of professional judgement in with the numbers. 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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Project Estimation: Master the Tools and Techniques

Online PM Courses

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. So, in this article, we’ll take a careful look at project estimation, to help you learn how to master the art and craft of doing it well. What is Project Estimation? Why is Project Estimation so hard? The Estimation Knife Edge. Methods and Tools for Project Estimation.

8 Tips for Estimating Resources in Project Management

MavenLink

There are several methods for using project scope to help estimate deliverables, including a top-down or bottom-up approach. Analyze Published Estimating Data. The information you gain through these systems can be invaluable to your project management process.

How to Estimate Project Duration

Wrike

Knowing how to estimate project duration can help teams become more efficient and improve on-time and on-budget delivery. . When it comes to project management time estimation, there are a couple of likely scenarios. Why is it important to estimate project duration?

How to Increase the Accuracy of Your Project Estimates

MavenLink

Today, clients expect greater transparency in the services process, wanting to know who is working on their project, how long it will take, and why it costs as much as it does. 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?

New Study: 2018 State of Embedded Analytics Report

informs decision makers while they’re in the flow of current thought processes within apps—without losing. Embedded analytics has become so important that teams estimate it contributes 51 percent of an application’s. 2018 STATE OF. EMBEDDED. ANALYTICS.

Project Management Process & Phases

ProProfs Project Management

In simple terms, the Project Management process is the art of managing all components of a project from starting to closure using a structured scientific methodology. According to the PMBOK guide, which is considered the bible for project managers, project management is scientifically done by managing project documents through 49 processes that are grouped into five project phases. . The processes in this phase are: . How to Implement a PM Process in Your Organization.

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.

Estimates, Forecasts, Projections

Herding Cats

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.

Your Guide to Accurately Estimating Projects

LiquidPlanner

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. But even with years of experience, project managers struggle with accurate project estimates. It’s easier to estimate in ranges because it alleviates the pressure of not meeting a single-point estimate.

Analogous Estimation Vs Parametric Estimation

iZenBridge

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?

RBS is one more technique for your estimation tool belt!

Kiron Bondale

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. Take a course covering agile delivery and you’ll learn about relative sizing techniques such as estimating poker or t-shirt sizing. Estimate the size or effort of that story or work package.

Why Johnny Can't Estimate?

Herding Cats

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.

Estimating Resources

Herding Cats

There's a never-ending opportunity to learn how to estimate in the presence of uncertainty. Here's some resources for informing that learning process. . Don't need estimates? - Want To Learn How To Estimate? Herding Cats: Estimating on Non-Trivial Software Projects. NoEstimates Estimating

Closed Loop Control and Granularity of the Estimating Process

Herding Cats

DP6Jw is an overview of this process. To control this process using feedback and corrective actions ‒ in the same way, your closed loop controller for your air conditioner or heater does - a sampling rate is determined based on the rate of change of the underlying processes. These measures, corrective actions, and resulting outcomes operate in the presence of statistical and probabilistic processes. Stochastic process control is the field of study.

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. .

What is an Estimate? What is Estimating?

Herding Cats

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. Embedded systems, data processing, image processes, web interfaces, backend databases, networking of collections of devices on the ground and in the air, training systems, logistics systems, maintenance and testing systems.

Why Johnny Can't Estimate? (Update)

Herding Cats

There is a 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, experience, and skill are needed. Through this education process and the hands-on experiences that followed, we all learned an Immutable Principle. Generating accurate and precise estimates is straightforward.

Principles of Cost and Schedule Estimating

Herding Cats

One of the 4 summary root causes of project performance failures is Unrealistic Cost and Schedule Estimates based on inadequate risk-adjusted growth models. Those making these claims may have their own personal purposes, their own agenda, their own reasons for sell this idea that estimates are somehow no longer needed when we're spending other people's money to produce value in exchange for that money. If you have no uncertainty, then estimates provide no value.

Your Guide to Accurate Project Estimate Projects

LiquidPlanner

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. But even with years of experience, project managers struggle with accurate project estimates. It’s easier to estimate in ranges because it alleviates the pressure of not meeting a single-point estimate.

Decisions Without Estimates?

Herding Cats

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. These two points of view are the basis of any credible business management process. If you want to decide what's the probability of occurrence of some Epistemic uncertainty or the statistical processes for some aleatory activity you need to estimate. Don't assume, Estimate.

How to Talk About Estimates

Herding Cats

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. But those estimates, nouns, and verbs themselves's have other attributes. Estimating and the resulting Estimates must be described by their accuracy and precision. Let's Stop Guessing and Start Estimating.

10 Point Checklist for Better Project Estimates

Planview

The following content is based on the whitepaper, “Bigger Than a Breadbox: 10 Tips for Better Project Estimates, Part 2,” written by Jerry Manas. From all the previous six parts of this series, it should be clear that effective estimation is a primary driver of project success, resource planning, and portfolio alignment. Part 1: Improve Project Estimates and Escape Crisis Mode. Use Horizon-Based Estimates. Part 2: Improving Project Estimates is all About Direction.

Independent Cost Estimating (ICE)

Herding Cats

Unless you have skin in the game your estimate for the work can't be credible. Let's look at the potential for such an approach in light of the credibility of an estimate. An independent cost estimate (ICE) is a tool to assist in determining the reasonableness or unreasonableness of the bid or proposal being evaluated and is required for all procurements regardless of dollar amount. No one getting paid to estimate likes to present bad news. NoEstimates Estimating

Software Development Process: How to Pick The Process That’s Right For You

Planio

Every great piece of software starts with a plan and a clear process in place. Luckily, there are numerous software development processes you can choose from when you’re starting your next project. But which software development process is right for you? In this guide, we’ll go over the basics of your software development lifecycle, why it’s so important to understand, and then cover the pros and cons of the five best software development processes.

Estimating Tools and Resources

Herding Cats

Tools and resources for cost and schedule estimating, when you here estimates are hard, we're bad at estimating, estimates are a waste, estimates are misused All those statements are fallacies. iceaaonline.com International Cost Estimating and Analysis Association. link] American Society of Professional Estimators. gao.gov/products/GAO-09-3SP GAO Cost Estimating and Assessment Guide. link] NASA Cost Estimating Handbook.

Demystifying the PMBOK Process Groups

Wrike

Generally speaking, projects require five process groups — initiating, planning, executing, monitoring and controlling, and closing. These are known as the PMBOK (Project Management Body of Knowledge) process groups. Though widely used, this form of process management can often be confusing for managers and team members who are new to formal project management. . An introduction into PMBOK process groups and knowledge areas. What are the process groups of PMBOK?

Risk Management Plan - What is the Process?

Brad Egeland

Risk Management Planning What is the Risk Management Process? So, most times you can expect to make lots of lists to keep up with the entire process. But when well-informed about the probable events and statistics promoting data invasions costs, you can bet you will reflect over the risks and estimate the impact adequately. Why You Need A Risk Assessment Matrix The greatness of qualitative risk reviews is that they give you estimates.

Estimating the Risk

Herding Cats

Aleatory uncertainty, which is the naturally occurring yields variances in the underlying processes. Epistemic uncertainty comes from probabilistic processes that can be addressed with handling responses. In order to make risk-informed decisions, we must estimate the outcomes and the impacts of those outcomes on future activities (cost, schedule, and technical performance of products and services). Without these estimates, there is no risk management.

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.

Top Tips for Realistic Project Estimations

Strategy Execution | PMO Perspectives

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. When an estimate has been delivered, clients and executives will often see it as binding and will expect the project to track to it. Producing Realistic Estimates for Strategic Projects. To a large extent, good estimation comes down to how honest and realistic you are in your outlook.

Why Johnny Still Cannot Estimate

Herding Cats

He doesn't know how - He doesn't understand how estimates fit into the process of business and managerial finance of product or service development. He doesn't understand why estimates are needed - He doesn't understand the impact on the business for not knowing how long, how much, and what will be produced for the time and money. Coding work is much more fun than making estimates, documenting the requirements, writing tests. Herding Cats: Decisions Without Estimates?

Reasons to Estimate and Measure

Herding Cats

Estimating Software-Intensive Systems: Project, Products, and Processes , Richard D. Stutzke is a starting point for estimating software projects. I recommend it for anyone starting out in the estimating business all the way to seasoned veterans. Any estimating process requires discipline and repeatability to produce accurate and precise results. The estimate can also be produced parametrically, empirically, or through a modeling and simulation.

When to Estimate and When Estimates aren't Needed

Herding Cats

Paul Boos has a post about estimating and makes a case for the Principles of when NOT to estimate. This struck a cord around a bigger topic - the inversion of estimating. When should we NOT estimate? What business decision making conditions could be in place where we don't have to estimate the outcomes of our decision in the presence of uncertainty? Then on to the original conjecture for No Estimates from Paul's post. Not principles for NOT estimating.

How Does Probabilistic Estimation Reduce Project Uncertainty?

LiquidPlanner

When you replace fixed-date deterministic scheduling with probabilistic estimations, you’ve got a whole new ball game. We all know about the unexpected “surprises” that naturally unfold over the course of projects, but most of our tools and processes continue to work toward a fixed-point deadline—continuously in denial of reality. Probabilistic estimation is one of the reasons LiquidPlanner is the most realistic project management tool in the world.

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