Questions tagged [estimation]

For questions about the estimation of the project's parameters, such as time or cost.

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3answers
766 views

Agile user story's task estimation

I have some confusion regarding the concept of a user story's task's estimation (effort estimate) using hours. What is the actual purpose of estimating effort in hours? In addition to that, let's ...
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3answers
1k views

Which metrics can help estimate the size of a project?

I am putting together a project sizing tool to help understand what artifacts are required for projects (E.G., a simple project may not require a project charter, whilst a complex project may require ...
4
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1answer
246 views

Estimation Quote on realism vs optimism - does it exist?

I could have sworn I read a quote by Steve McConnell or perhaps Fred Brooks about teams that make conservative estimates and pessimistic deadlines but meet them every time garner more trust and ...
4
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2answers
1k views

For every hour cutting code, how many project hours are spent doing something else?

I work on a large line-of-business legacy application, my projects are very much NOT green field. The dev teams are small, usually 2 developers, 1 system tester, plus part-time PM and BA resources. ...
4
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1answer
93 views

How to treat users stories which were almost completed at the previous sprint? [duplicate]

How to treat users stories which were almost completed at previous sprint but didn't meet Definition of Done due to testers were late for some reason. Suppose one of those stories was 5 story points, ...
4
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2answers
199 views

What techniques do you use to establish scope in agile

More than communications skills, lean techniques to discard useless features with no value, more than ask "what do you want?" or "is there anything else?" to the customer. Reading the book Agile ...
4
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2answers
969 views

How can we estimate the learning curve for new technology in a project?

I work with embedded systems and sometimes there are some technologies that the people involved with the project have to learn before applying to the product. We are three people that never worked ...
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2answers
2k views

Getting estimated working time from MS Project

Our company has just recently started using MS Project Professional 2010 and we plan to eventually have a Project Server installation. I've created a few projects so far, but still claim to be a ...
4
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1answer
149 views

Modal estimate when it comes to project deadlines

I'm relatively new to Project Management (having a technical background) and I noticed that there are these specific columns in an excel file regarding deadlines: Pessimistic | Optimistic | Modal ...
4
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2answers
122 views

Planning Poker Reluctance

I am joining a new team that has been struggling with sizing for years. They have not been making sprints. They have been setting their own Story Points, and historically they have correlated them to ...
4
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3answers
166 views

Do bugs from previous Sprints need to be estimated?

For example: in Sprint 2, on story, A Tester raises 4 bugs. 2 bugs got fixed in the same Sprint. The remaining 2 were pushed to the Product Backlog. At Sprint 6, we are picking those 2 bugs of story A ...
4
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2answers
306 views

What methods are there to figure out how adding people to the project will reduce the amount of time needed?

I've been asked to estimate how long it will take for a big project to get done, and I was able to break it up into small tasks and come up with an estimate for one person do it. However, I'm now ...
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3answers
2k views

Calculating project forecasts in Jira

As a Scrum Master, I want to help my Product Owner to make an educated guess of when features in a project will be implemented, in order to communicate with stakeholders so that they can manage Scope. ...
4
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2answers
128 views

Underlying algorithms to restimate the remaining tasks based on previous estimated and actual time realised for completion?

I need to re-evaluate time for remaining tasks based on the actual time and estimated time of completed tasks. For example if a small project had 4 tasks and each task was estimated at 2 days. Lets ...
4
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6answers
2k views

What questions would you recommend to put into project estimation checklist?

I would like to create common checklist for project estimation in my organization. The idea behind is to make sure that you have taken into account different aspects (ie. lack of knowledge of given ...
4
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2answers
131 views

Estimation of non-estimability project

We need to create some solution with a new technology, in which no member of my team has any experience. The higher management demends the tentative dates of the working solution. After a week of ...
4
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3answers
575 views

Should the Kanban CFD be weighted with estimates?

I am working in a Kanban process with a team the tries to estimate Cycle time, Lead time as well as completion time based on applying FIFO wherever possible on our queues. Using the Cumulative Flow ...
4
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1answer
118 views

Project Planning For Merchant-based Software

I'm quite new to project management. I have a software project in mind and would like to manage it the correct way. The app basically allows movie theater owners to announce their upcoming movies, ...
4
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1answer
135 views

Pragmatic method to check/improve effort calculations

Somebody asked me to look over their cost calculation for an internal IT project in the 1.5 mio € range. They did some eyeballing, and are now asking me to cross-check it for them with a few hours of ...
3
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3answers
143 views

Is the product owner responsible to make long-term estimations about PBI in Scrum?

We know in Scrum, the responsible for make estimations is solely responsibility of the development team, but in long term planning, for example a release planning, we'd to have some kind of estimation ...
3
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4answers
2k views

How to compare and select one project out of two?

It's being rather a tough choice on selecting projects. (Different case from what I had posted before.) Now in the scenario if there is Project A and B. Only one project can be executed and that has ...
3
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6answers
250 views

Long running product development project

Background: We have long running product development project, which consists of different features. The development team consists of 15 developers and 5 QA engineers. We setup releases each 5-7 ...
3
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2answers
2k views

Is it possible to remove Stories during a Sprint in Scrum?

Scenario In our organization, we use velocity to forecast the amount of possible work in a Sprint. Sometimes, based on the Team's average velocity, we add extra features not related to the Sprint ...
3
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4answers
142 views

Handle stories which can not be estimated

Do scrum have a method for handling tasks which can not be estimated in any meaningful way? I'm going to give an example we faced recently. We sell some hardware devices and recently found out that ...
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6answers
3k views

A simple estimation accuracy formula that always yields 0-100?

I'm just beginning, and despite my search, I cannot find any simple formula that would return a number between 0 and 100%, i.e. I do not care whether there was over or underestimation. The simplest ...
3
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3answers
287 views

How much time should be given for investigating bugs/user stories for a sizing session

How much time should a developer spend on investigating bugs/user stories for sizing in a sprint? Currently we have 2 sizing sessions and a developer has time (time-boxed at 5min) to investigate and ...
3
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4answers
81 views

how to estimate multiple stories with less complexity?

We want to track user activity on this screen (attached image) i.e. close button click (top-right) User's tap on textbox (Type your city) User's click on Detect my location If we follow INVEST ...
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2answers
279 views

Non-measurable works should be done in scrum process?

I think that I have some misunderstandings from scrum. Estimates of some tasks are not measurable. For example researching about something or talking about company road map and etc. I can't estimate ...
3
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6answers
2k views

Estimate hours of work for every user story

In Scrum, is it mandatory to estimate the amount of hours needed to finish every user story before putting it in the Sprint? Or should we use planning poker and use points instead of hours?
3
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3answers
310 views

Resource planning with uncertain dates and durations

I am an infrastructure PM, providing and managing technical environments for testing a large, complex new application which will then be put into production. I have to produce a plan for a project ...
3
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4answers
195 views

creating a PM system and what's best way to get developers to estimate?

Over at http://alvazan.com/demo, we have been thinking about a feature to get developers to estimate on time. What do PM's think of having the ability to turn on an annoyance feature that emails the ...
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3answers
90 views

How to structure estimation requests when there is a middle-man

We have a long term project, call it Project A. Our direct client (DC) is an organization between us and the Product Owner (PO). Every now and then we're being asked for estimates. The problem is ...
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3answers
2k views

Is formal tasking required on a Scrum Team

I understand formal Agile-Scrum tasking as the practice of documenting tasks and estimating task hours for each story or product backlog item a team commits to in an iteration. A task defines part of ...
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3answers
3k views

Alternative schedules in Microsoft Project 2010?

I'd like to create a "reference" schedule, then create an optimistic and pessimistic schedule based on this where the duration of each task in the optimistic/pessimistic schedules are calculated as a ...
3
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5answers
871 views

Should a good project manager be a good risk manager and a good estimator as well?

I'm taking project management class. It is hard to understand the relationship between estimation, risk management, and project management. Could you explain it based on your experience? My lecturer ...
3
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2answers
249 views

Early stage risk/cost/time estimaties when working with unstable/beta software integration

What is the usual way to estimate costs in the first weeks of this kind of high risk projects where there is no specialist knowledge of the technologies you need to use in a development team? In my ...
3
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2answers
444 views

Does Brooks Law hold for other fields as much as software development?

Brooks Law basically states that adding people to an already late software project makes it later. But does it hold for other fields as well? I'd imagine in a construction project it would probably be ...
3
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4answers
104 views

How should I deal with common dependencies when estimating stories in Scrum?

There's something that has always bothered me with Scrum. Hopefully I can get some insight here. With Scrum, we try to break the backlog down in vertical slices. Let's say stories A and B. These ...
3
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2answers
136 views

Should single user story contain estimations for each involved guild in full-stack development team

Problem We're working in a full-stack development team composed of three guilds (backend, frontend, QA), so as a team we share a single sprint board. User stories we take into our sprints are written ...
3
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2answers
195 views

Are there techniques for gamification of hours estimation?

Our team breaks down user stories in sub-tasks, then estimate their sizes in hours using the planning poker technique. The numbers we use are 2, 4, 6, 8, 12, 16, 24, 32 and it goes just like story ...
3
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1answer
126 views

Can you use story points to measure growth?

We recently started using story points in our agile process, which is awesome. Because of this we are getting estimates for certain tasks and getting an idea of our velocity. However, I am curious ...
3
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2answers
121 views

How can an EV be calculated when there are different versions of a project plan?

There is a project manager who is trying to come up with a way to calculate EV under a specific situation where there is a project management system which allows different versions of project plans. ...
3
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2answers
1k views

Firm Fixed Price Contracts and Binding the Work

For scope that is reasonably explicit, many customers choose to purchase services under a firm fixed price contract in order to remove cost risk. It is essentially transferring risk to the seller as ...
3
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3answers
446 views

How (and in what units) to measure the product scope?

Short version: How and in which units is it better to measure the product scope (volume of incoming requirements / amount of business functionality) if different parts of product (different ...
3
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2answers
212 views

How can I produce more reliable estimates for technology refresh projects?

After running a few projects that refresh technology rather than add functionality, I've noticed a few recurring themes: Technology refresh projects are more likely to go over budget/schedule; ...
3
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2answers
490 views

Cost of resources in virtual environments

In planning hardware costs, considering the distribution of the product in virtual/cloud environments, where the cost is derived from the use of resources, considering the following points: The ...
3
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3answers
2k views

What are Our Alternatives to Function Point Analysis for Estimation?

We've been using Function Point Analysis (FPA) estimation for new software development projects and medium sized changes that involves development efforts for code involving database entities as well (...
3
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2answers
803 views

how to give estimate to client about payment?

I am new in software field. I have done M.C.A. and haven't done any deal with client. Now i have one client who has a requirement of C++ software. I can cope up with requirement but I don't know how ...
3
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3answers
181 views

What 'economic drivers' should be part of our “software business case”?

So we need to perform a feasibility study of one of our initiatives and need to present it to the 'higher ups' - It needs to incorporate numbers (estimates) both from the perspective of tangibles and ...
3
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2answers
165 views

What’s the name for the estimation method where only one team member estimates at a time and others have a veto right?

This method is usually used for estimating quickly on a large chunk of user stories to get a feeling on the overall project effort or part of it. I know this estimation method has a name but I have ...

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