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Questions tagged [estimation]

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

5
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4answers
875 views

How does a team (new to product and domain) estimate user stories of a ten year old product?

I am the scrum master for one of the products in a software development company. Our team, including me, operates from India. However my product owner is in USA. We are working on the feature ...
15
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7answers
11k views

How can developers and testers agree on story point estimates?

Previously we used duration for each story, but in our current sprint we are using story points (effort) keeping test team effort separate from the development team effort. Story points are based on ...
17
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4answers
8k views

In Scrum, how to estimate research stories?

In our Scrum team, when there is uncertainty about a story or the team is not sure about how to implement it, we take up a research story first. Based on the findings of this research story, we are ...
2
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3answers
2k 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 ...
2
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4answers
12k views

Modelling schedule uncertainty in Microsoft Project 2010/2013

Microsoft Project 2010 (and 2013) no longer contain PERT charts. With this in mind, what is the recommended way to model uncertainty in project time estimates? UPDATE: I only brought up PERT diagrams ...
11
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6answers
639 views

Why use iterations in Scrum?

I am a Scrum Master in a 7 person team. We currently use one-week iterations for our sprints. I find that sprint planning overhead is huge (2 hours each week for entire team), and not nearly as ...
15
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9answers
4k views

How to deal with a team member who constantly overestimates

In an ideal world using Scrum we are all supposed to take part in the iteration planning, select tasks and stories, from the groomed backlog. You then have a planning meeting where everyone comes ...
18
votes
5answers
3k views

How should a team handle disagreements about story-point estimates in Scrum?

During estimation, the Product Owner presents a user story that seems clear to a team that usually knows their strengths and weaknesses, and that is not hostile. What should the Scrum Master do if the ...
6
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2answers
1k views

How can I estimate a project's costs without well-defined scope, scheduling, and quality inputs?

I work for a private investing firm that is looking to move from a face to face business to online business. They want to create a large, scalable website that can handle thousands of accounts and ...
6
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5answers
330 views

Slow client answers

Let's say, I have a project with well fixed deadlines, and a pretty good specification. Every specification needs additional discussion, with taking in consideration the client's requirements (I mean, ...
9
votes
5answers
185 views

Rent total cost prediction

I have a project management course now. One of points of my project requires me to rent a territory, and I need to include its cost in the project's total cost. The first thing I thought was to ...
17
votes
5answers
431 views

How should I account for non-coding time when estimating duration of a coding task?

I was wondering whether this approach I am doing to scheduling dev work on a day to day basis is correct. In which I assume that instead that a developer has 8 hours a day to do coding, they actually ...
6
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3answers
2k views

Changing backlog story point estimates mid way through a release

Background: We are mid-way through a development which was estimated for a customer on a fixed price contract. To come up with the estimate we built a backlog by trying to list all user stories and ...
4
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5answers
1k views

How granular should an estimate be for building a web page?

Sufficient Granularity? I have a ASP.NET web page to construct. The design of the UI and classes is already complete. I have prepared a task breakdown, including hours needed for each task. Does ...
9
votes
3answers
224 views

Costs for estimating the tasks in a project?

Before the Planning (and initial) phase of a project, there is obviously going to be some time devoted to an analysis of the client's requirements. I know this might be hard to answer, but is this ...
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votes
1answer
94 views

estimating class homework [closed]

I have an estimating contracts class. the assignment calls for bidding on a excavating job. I am not able to determine the of amount of time I will need a supervisor for, but the assignment calls for ...
4
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1answer
112 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, ...
10
votes
5answers
826 views

Can planning poker in very heterogeneous teams help estimate user stories accurately?

Picture a very heterogeneous team, where every member knows just his/her field or just a part of his/her field and very very limited part of some other fields. Does it makes sense to do the ...
8
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4answers
2k views

Sizing an entire backlog using story points

I'm a PM on a large multi-year project with a sizable backlog of work implementing Scrum in 4 week release cycles. I hold weekly backlog grooming sessions with the project team and key business ...
10
votes
4answers
1k views

Agile/scrum - tracking time spent in current iteration towards stories from the next iteration if all current stories are done

Our team has been slowly trying to go towards agile, and like many other teams, up to this point, the question of "what do we do when we actually finish all commitments?" is fairly new and foreign to ...
11
votes
3answers
528 views

How can I improve a project schedule on a project I took over and complete it on time?

I just took over a project from a Project Engineer and just saw a revised project schedule. The revised schedule shows the project will be delayed by 3 months. I am trying to complete it within the ...
5
votes
3answers
457 views

How do I roughly estimate the size of my project in dollar amounts?

I've managed a few small projects at work, but I've never dealt with the budget. For instance, I've had a few tool projects, and two contracts, full time developers, and students. The project lasts ...
24
votes
7answers
1k views

How can a new PM manage a failing project in a few hours per week?

I am working as a beginning scientist and was given the management role for a small project (5 internal scientists, 1-2 external software contractors). What are the absolute essentials I need to ...
4
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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 ...
10
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7answers
2k views

Accuracy of Estimates

Aclear16, on an answer from another question, brought up the notion of accuracy of estimates. In my view, this notion is nonsensical; however, we talk about this often in PM circles. In an ...
14
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5answers
534 views

How to estimate a project involving unfamiliar skillsets

We are trying to generate an initial estimate to see if a project is viable. The problem is that the project involves configuring and customising an open source product that the development team have ...
4
votes
1answer
134 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 ...
10
votes
2answers
2k views

How can I track team member utilization across a range of projects?

I have a fixed-sized team (with fixed-hours) and products, more than the team can handle. At any given time, while my resources are working on one product, requests keep flowing in about work on other ...
5
votes
5answers
492 views

Accounting for scope growth in agile development

I work on a lot of small, agile software projects without huge up-front requirements; just ideas that I flesh out over time. Generally, development follows these stages: Prototype (couple of days) ...
3
votes
2answers
114 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. ...
1
vote
1answer
3k views

Multiple resources for one task in MS Project

I have a single task (of type Fixed Work) with a total Work estimated to 160 hours. When I assign two full-time resources (let's call them Alice and Bob) to it, Duration of the task is 80 hours, as ...
1
vote
3answers
327 views

Software to help estimate effort and record effort for timeline purposes (one man team)

I am trying to find some software that allows the following workflow: Create a wbs with effort. Plot wbs items onto a Gantt chart to see when items should/could be completed by and build a schedule. ...
3
votes
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 ...
4
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5answers
870 views

Is it important to estimate the product size for software project?

Estimate size is the process of approximating the size for of the products and parts to be produced for the project. Is it important to estimate the size, especially for the software project? Does the ...
10
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4answers
250 views

Estimation, Targets, and Performance

Assuming that your team does a great job building its estimates and using a probabilistic approach versus a deterministic approach, and finds that the scope of work will take between 12 to 18 months ...
1
vote
1answer
1k views

Can you use the Software Equation to get LOC output?

The Software Equation is: E is effort in man months or years. P is the "productivity parameter." B is the "special skills factor." t is length of project measured in months or years. Now, I'm ...
21
votes
10answers
2k views

Is estimating a project without basic requirements or user stories a good idea for a fixed cost proposal?

I am currently trying to create an estimate for a software proposal. In this context, we are requesting a fixed cost amount of funds. I personally lean toward Agile development practices. I, however,...
15
votes
7answers
468 views

Project complete but does not really satisfy the end users. Business owners unhappy

Some background on the project: I recently completed a project for a company. The project was a fairly large line of business web site. The customer was a company with no prior experience ...
12
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5answers
653 views

A practical way to estimate a project cost ( I mean time cost)?

What is the practical way to estimate the time required for a project ( I am a web developer working alone most of the time) I find difficulties in estimating tasks and projects,
0
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4answers
1k views

Project Management Gantt Tool makes All Tasks Concurrent

All the gantt tools I have tried make all tasks concurrent, until I specify start date or dependencies. I do not yet know the start date, and not all tasks have dependencies (well not enough to fully ...
1
vote
3answers
457 views

How to calculate moving performance target?

As you will see, I'm completely new to PM. I have to write 100,000 words in 6 months. Let's say that is 548 words/day. I would like to know how to calculate a daily target of words needed to ...
3
votes
3answers
268 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 ...
4
votes
2answers
198 views

Can I ask the stakeholders to review my project plan?

I met with the project stakeholders. I documented their goals into a standard WBS structure and a project plan. Can I present my project plan to the stakeholders and ask them for input/feedback on ...
5
votes
6answers
409 views

Project Estimation is off by 50% or More! Who is Responsible for Vague Requirements?

I've just started doing some small contracts for the first time, and I'm working on a project with a person responsible for dealing with the client and analyzing requirements. In this case, there was ...
0
votes
2answers
3k views

What's the best way of estimating initial software size using '(agile) epics', given a time-to-market but not knowing who the developers will be?

Given a set of high level epics what's the best 'guestimate' we can come up with to scope the software system appropriately given a time-to-market window? What are some good/best practices for this ...
2
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4answers
661 views

Estimation and testing in project management

I'm currently writing a paper regarding project management, and was wondering if anyone with experience could answer the following questions? What are the steps involved in creating a testing process?...
5
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2answers
1k views

What is a reasonable strategy for estimating story points for new stories?

The project I'm running is very exploratative in that I don't know very much detail about features in advance. My boss will tell me that he wants feature A and that after feature A is finished, he'll ...
2
votes
1answer
152 views

help using ROI/NPV to justify a project that allows you to sell more

We want to get a project justified, using ROI and/or NPV, but it seems to be difficult: We are a company that sells products on our internet site, and now we want to implement a system that give ...
2
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6answers
1k views

As a project manager how worthwhile is it to have 50/50 estimates of certain metrics?

I was reading Steve Tockey's book Return on Software and he mentioned it's quite beneficial to have such estimates. Let's say I have an oracle that spews out 50/50 estimates of cost/schedule/budget/...
3
votes
2answers
752 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 ...