Estimation is the process of finding an estimate, or approximation, which is a value that is usable for some purpose even if input data may be incomplete, uncertain, or unstable.

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2answers
1k views

How to factor in responsive design when providing an estimate for web applications?

In the past usually I have only had to estimate web applications based on browser support. But for more recent projects device and platform support are also very important as well (screen resolution)....
65
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17answers
4k views

Completion time on a company where the supervisors don't know programming [duplicate]

We are in a small company with around 10 developers. I am the team leader and responsible for the development process. Supervisors and salesmen are close to us since we are a small team, but have no ...
58
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36answers
5k views

What can I do to get better at estimating how long projects are going to take? [duplicate]

I don't want to make life hard for management. I really don't. They're nice enough guys, but every time I am assigned a new project or task and get asked "how long do you think it will take to do ...
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10answers
908 views

User stories are too high level and conceptual, management expects developers to fill in the blanks

I am employed in a very brilliant company with a true intention of doing XP. Communication is good and management is open to constructive discussion but due to pressing time constraints, some certain ...
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4answers
408 views

Independency and estimation of user stories that rely on shared predecessor

Lest's say I have user stories about using product catalog in shop: As an administrator I can add/modify/delete catalog items (one or more user story, doesn't matter here) As a customer I can search ...
33
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7answers
4k views

How to explain that it's hard to estimate the time required for a bigger software project?

I'm a junior developer and I find it hard to estimate how much time it takes to finish a bigger software project. I know how to structure the architecture in general, but it's hard for me to know what ...
4
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2answers
496 views

Efficient way to create a code estimation/technical specification in a fast-moving environment

To better understand my question, let me elaborate the background of the subject matter. I work in a financial institution where the business module (credit finance) is constantly changing. In the IT ...
5
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2answers
814 views

How do I survive in a Waterfall world? [duplicate]

I currently work in a company where the Waterfall model is deeply ingrained. We are pushing Agile principles but it's a long process. Meanwhile, I have to work in a Waterfall world with sequential ...
2
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2answers
791 views

What is the significance of 10 characters in this Uncle Bob post?

In this blog posting by Uncle Bob http://blog.8thlight.com/uncle-bob/2012/04/20/Why-Is-Estimating-So-Hard.html Author states a possible solution to the problem at hand. He writes "Try this. Break ...
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2answers
827 views

How to ensure a project 100% tested?

I want to know how exactly, we can ensure that a project is 100% tested ? In banking or financial applications not 1% also tolerable. So being a developer, how can you say your code is 100% tested? ...
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1answer
102 views

Tool helping with estimations [closed]

I am looking for a tool supporting me with estimations. What I would like to do is to specify a higher level task and break it into several smaller tasks. When a task is small enough, I could assign ...
1
vote
2answers
10k views

How are effort estimations and duration estimations distinct?

How are effort estimations and duration estimations distinct? At present my understanding is that effort is related to the amount of work required for one person to complete a task, and duration is ...
1
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1answer
621 views

Metrics / Methodology for estimating resource utilization for software in planning stage

I'm looking for approaches to estimate the resource utilization of an (web-)application in a JEE environment. The overall target is to get a forecast for hardware/software requirements while the ...
4
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2answers
584 views

Daily Scrum Meeting (Burndown chart)

Here is an example: early in the morning of the second day of the Sprint (during the stand up) I go to the board and see that the story I worked the previous day (first day of Sprint) contains a big "...
1
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1answer
1k views

Where did the estimation rule of thumb originate that time spent will be one-third in each of the following: design, implementation, and testing?

I'm looking for a reference to the following. I commonly hear that one-third of a projects time will be spent in design, one-third in implementation, and one-third in testing. The three phases of ...
2
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2answers
322 views

If you have several SCRUM teams working on one backlog, how do you divide story point estimation between those teams?

I'm asking because approach in my company looks as follows: stories in the backlog are not estimated team that picks the story estimates it in story points during sprint planning part two
0
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1answer
849 views

What are the best practices and strategies for transferring an outsourced software development project in-house? [closed]

What are the best methods of knowledge transfer? What kinds of documentation should be expected? What activities should take place before and after handover, both by the external party and ...
3
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4answers
829 views

Freelancing - Getting paid for the quote or estimate [closed]

It is often necessary to spend time designing a solution, breaking down the design into tasks and sub tasks and estimating the time it will take to complete each task in order to produce a reasonable ...
7
votes
5answers
526 views

Should the number of developers be considered when estimating a task?

I am pretty inexperienced with working in agile projects but I have tried it a few times and I always run into this problem when estimating a task. Do we bring into the estimate the number of ...
7
votes
6answers
5k views

What are the methods to estimate source code value?

I've been working on some project on my free time for the past few months. Recently I've been approached by friends to build a startup, and this source code would be very valuable to us. As a co-...
5
votes
5answers
2k views

Should you ever re-estimate user stories?

My current project is having a 'discussion' which is split down the middle- "this story is more complex than we originally thought, we should re-estimate" vs "you should never re-estimate as you only ...
13
votes
8answers
996 views

Should you promise to deliver a feature that you aren't sure if its implementable?

In an article from HN, I came across the following advice: Always tell your customer/user "yes", even if you're not sure. 90% of the time, you'll find a way to do it. 10% of the time, you'll go ...
2
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2answers
260 views

Using Completed User Stories to Estimate Future User Stories

In Scrum/Agile, the complexity of a user story can be estimated in story points. After completing some user stories, a programmer or team of programmers can use those experiences to better estimate ...
2
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2answers
298 views

Estimation Techniques for Linux Kernel Development

I am working in Linux Kernel area and my work includes: code study / Understanding Porting (say from one kernel version to another kernel version) Implementation of new kernel module / Device driver ...
3
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6answers
524 views

Finishing an iteration early

I'd like some input on this on those working with agile methodologies... A current project is finding that development on our planned user stories is finishing some time before the end of the ...
8
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7answers
1k views

How long to spend estimating programming tasks?

For example, if I break a project into n discrete work products (say classes or functions or components) is there a time t such that n*t is a suitable amount of time to spend on estimation?
3
votes
2answers
524 views

Estimating time for planning and technical design using Evidence Based Scheduling

I'm at the beginning of a development project in a large organization. The Functional Requirements are currently being worked out and documented with our business stakeholders by our Enterprise ...
2
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1answer
1k views

Personal Software Process (PSP1)

I'm trying to figure out an exercise but it doesn't really makes to much sense.. I'm not asking someone to provide the solution. just to try and analyse what needs to be done in order to solve this. I'...
9
votes
6answers
591 views

Who should participate in time estimation?

In an IT project: Who should participate in time estimation? Developer, team leader, scrum master and etc? Whose vote should be counted most?
17
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4answers
3k views

How to Determine # of Programmers needed for a project

How do you know how many programmers a particular project needs to be successful? The company I work for fulfills orders for client companies. We have written an in-house warehouse management ...
11
votes
6answers
818 views

How can I estimate projects when I need to include a learning curve for new technology?

Sometimes, there are research and development projects where nothing is known in advance about the technology, concepts, and client. However, the manager still needs time estimates. What can I do to ...
11
votes
3answers
626 views

How to handle estimates for programmers joining the team?

Iteration has already started, new programmer joins the team, task X has already been estimated to be 30 hours by a different developer. What is the best practice in this situation? new developer ...
7
votes
3answers
610 views

Agile estimation with tech-debt

When estimating (story points) a story that consists on extending a current functionality with a known tech-debt, should we consider the effort that will be spent to refactor the current code or ...
12
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6answers
6k views

What is the acceptable error margin when estimating a project duration?

The company where I work is aiming to have a 10% maximum error margin.They expect analysts to not miss the estimate by more or less than 10%. I don't know what to think about it, since I got nothing ...
30
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7answers
9k views

How do you decide how much your software will cost? [closed]

If you are a solo developer, or have a leading role in a software company, you might have to decide how much your software will cost one or another day... What is your experience with calculating how ...
20
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9answers
884 views

What do you think of “Planning Poker”? [closed]

Planning Poker Summary, in case you don't want to read the wiki article: Get a list of tasks you want to do for the upcoming iteration For each task: 2.1 Discuss with the group what it entails 2.2 ...
0
votes
2answers
858 views

Which user-story estimation technique is better? [closed]

I found two techniques for estimating user stories: by the size of the story, which is unit-less by the time estimate, which is measured by days The first uses relative comparison between stories ...
1
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1answer
251 views

Project estimates for unreal tasks

I'm a developer in large IT company that is centered around providing services to clients (by that I mean development department is <20 people and not a major part of organisation). I'm solving ...
12
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8answers
1k views

Dealing with estimates as a junior programmer

I have been working for a couple of months now in a company that estimates (for the general population, not juniors specifically) tasks and then we are given the task, solve it, it goes through two ...
5
votes
3answers
342 views

How should I log time spent on multiple tasks?

In Joel's blog on evidence based scheduling he suggests making estimates based on the smallest unit of work and logging extra work back to the original task. The problem I'm now experiencing is that ...
5
votes
1answer
191 views

Estimation of Effort and Schedule for a project with almost no familiar elements

To the best of my understanding the schedule for the project is derived using the effort estimates for the individual tasks (in person hours), and the number of relevant resources used for the ...
5
votes
2answers
732 views

Calculation of Milestones/Task list

My project manager assigned me a task to estimate the development time for an iPad application. Lets assume that I gave estimation of 15 working days. He thought that the number of days where too many ...
10
votes
4answers
387 views

Handling “related” work within a single agile work item

I'm on a project team of 4 devs, myself included. We've been having a long discussion on how to handle extra work that comes up in the course of a single work item. This extra work is usually things ...
6
votes
3answers
1k views

Is it proper to have Investigation task in sprint

I have been practicing agile for more than a year now. As part of our sprint, some times we will have Investigation Tasks. We skip poker planning for theses tasks, and adds blanket numbers. Theses ...