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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3answers
514 views

In what visual format should I present an estimate for a software project?

What I mean is, do people print some kind of line item form? What data does it contain? What are the line items usually? Otherwise, do you just present a written document describing with a paragraph? ...
4
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2answers
483 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 ...
3
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4answers
812 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 ...
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2answers
3k views

Story Point Estimation vs Ideal Days Estimation

In my project we assign 4 hours for 1 story point and estimate based on story point. So in this case one ideal day of work will be done in 2 elapsed days. From an agile standpoint are we doing story ...
3
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2answers
395 views

Should we estimate tasks during backlog grooming?

I was just taken by surprise in a backlog grooming meeting when we assigned time estimates to BA, dev, and QA tasks...but the story is not yet scheduled in any sprint and we are not yet assigning ...
3
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3answers
764 views

Effective way to estimate dead code removal?

I've been working in an application with about 100k LOCs and basically We have been reworking features to comply with a new architecture based on a new technology stack. This work is almost finished ...
3
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4answers
214 views

Point estimates scale skewed

When using planning poker for estimates, we've ended up with effectively a non-linear points scale. By that I mean that point value is inconsistent for one-pointers and, say, eight-pointers. Couple ...
3
votes
5answers
571 views

How to accurately predict release items? [duplicate]

We are having a disconnect between development and business needs. Business is asking me to produce an accurate list of deliverables for a fixed date and development being difficult to predict is ...
3
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6answers
522 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 ...
3
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2answers
516 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 ...
3
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5answers
457 views

How do you manage project estimation and managing your teams time

I'm thinking of things like: designating a developer having say 6 hours out of their normal 7.5 hour day dedicated to the project, the rest for other work/company related activity (meetings, emails, ...
3
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4answers
301 views

is there any relationship between a story point in two different projects?

Assume we have two projects and one or more teams (one team doing the projects in serial or two teams doing the projects in parallel). If Team A decides that a task is 8 story points and Team B ...
3
votes
1answer
183 views

COCOMO II SLOC count for web application development

What type of SLOC do you take into account for estimating web application development projects with COCOMO II? For instance, suppose you have to estimate a web application project that will probably ...
3
votes
1answer
303 views

How do you work out timings for larger projects?

I work for a small company that hasn't done much work in bespoke development. It's something we're growing into. With all our projects, whether a bespoke development piece of work, or a simple ...
3
votes
1answer
46 views

How can I get the transit time for packets for a jitter buffer?

I'm trying to wrap my head around the concept of a real jitter buffer. I'm basing the only knowledge that I have around this article: http://toncar.cz/Tutorials/VoIP/VoIP_Basics_Jitter.html This ...
3
votes
1answer
6k views

Scrum: Capacity vs Velocity when planning a sprint

We have completed 11 sprints so far in our current project. In most sprints we have not been burning down well and usually finish with our velocity gradient flattening as we approach the end of the ...
3
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3answers
551 views

Can I trust the Basic Schedule Equation?

I've been reading Steve McConnell's Software Estimation: Demystifying the Black Art book, and he gives an equation for estimating nominal schedule based on Person-months of effort: ScheduleInMonths = ...
3
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2answers
157 views

How to deal with outlier programmers during sprint planning?

It is generally accepted that the best programmers produce at least an order of magnitude more than average ones. This seems like it would cause problems with the usual approaches to sprint planning ...
3
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1answer
2k views

Using function points as a metric for the velocity of a Scrum team?

I came across the idea of using function points as a metric for the velocity of a Scrum team. I saw it in a team and I found two articles mentioning a link between estimates and function points ...
2
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4answers
141 views

In Scrum, are story points assigned at different planning poker sessions worth the same?

As far as I understand, a planning poker session usually is started by picking one item and assigning it a value (say, 1). This item will then serve as a reference for the rest of the session. From ...
2
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2answers
408 views

What is a good way to make estimates clear to the customer?

So me and my team have been doing estimates for a new project but we have been getting the feeling lately that the customer has trouble understanding not the estimates in itself but what the stories ...
2
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3answers
124 views

Requirements and Documentation in Agile

My company has recently started to take on smaller software development projects. Typically small web applications to be used on a client's intranet. They are usually 3-5 months work in total. ...
2
votes
3answers
953 views

Setting Deadlines in software development [duplicate]

I have been working on a system alone for about two years. I inherited the system from a contractor who spent about two years working on it before me (alone). The system is not particularly well ...
2
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2answers
2k views

Good examples for teaching software estimation (size, schedule, effort)? [closed]

I'm going to be teaching a class that covers a broad brush of estimation techniques. I intend to cover absolute estimation techniques based on SLOC (e.g. Function Points, COCOMO II etc.) and ...
2
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4answers
148 views

Estimation of your backlog

How far in advance should you estimate stories in your backlog? My concern is that estimates that are 6 months out will become out of date as you develop features in the current sprint. I thought ...
2
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5answers
649 views

Scrum task over estimation

In my current company we're using Scrum with 2 week iterations and a regular planning session. How planning normally works in our company is that we take a predefined , prioritized (by PO before the ...
2
votes
2answers
258 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
557 views

Reestimation (ideal hours + elapsed time)

At the beginning of every iteration our whiteboard is covered with "not started" stories estimated in IDEAL HOURS. On a daily basis we update these estimates to keep track of each task's progress. I ...
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2answers
73 views

How to include estimating and its effect on prioritization with Kanban?

I've read in several sources about Kanban. Using Atlassian's description as my current main source of information about how it works, I wonder how the effects of estimations on prioritization should ...
2
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2answers
7k views

Closest Point of Approach (CPA) mathematical formula in ship radar

I was recently searching for the mathematical formula to find closest point of approach (CPA) between one ship and another ship. I need to apply the formula in my radar ship program and I can't find ...
2
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2answers
315 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
2
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3answers
303 views

Delivering estimates and client expectations?

When a client asks for an estimate on how long it would take to develop different sections of an app, is it best to give them a total amount or what it would take for each section? Is it better/more ...
2
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2answers
296 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 ...
2
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2answers
722 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 ...
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. ...
2
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0answers
154 views

How to respond when your lead asks for an estimate when requirements and scope have not yet been defined? [migrated]

EDIT: This question was originally marked as duplicate of 'How to respond when you are asked for an estimate?' I read over the answers, but I think my situation may be a little different, so I am ...
1
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2answers
815 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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5answers
3k views

Statistics on time estimates for web application

I have been asked to help estimate the time it would take to develop a web application. I will not be involved in the actual programming, but I am participating as an "experienced" programmer. The ...
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2answers
9k 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 ...
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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 ...
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3answers
262 views

Quoting for a project with closed source [closed]

I sit with a project that I need to quote, and until the job is awarded, I can only use "View source" to check, and ask a few questions about the system. That makes quoting outright impossible for me ...
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3answers
192 views

How to set more accurate “deadlines”? [duplicate]

Context: My work is to build financial reports using mostly Excel spreadsheets. This consists mostly of formulas and a good deal of VBA. Each person is built by a single person. We service many ...
1
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1answer
329 views

What is the significance of the output of Function Point analysis

I am a beginner in Software Engineering principles. This question have only academic significance. I read about Function Point analysis.We will be getting an integer value as output for Function ...
1
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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 ...
1
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2answers
126 views

How do you deal with being behind on a task? [closed]

I have a question for you guys. Say, you're given a task as an item in a product backlog. Say, you have a deliverable that's due the following day. If you're behind on the task compared to when you ...
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1answer
203 views

How long do you spend on analysis? Is this analysis paralysis? [duplicate]

I am not very good at estimating how long a piece of work will take to complete. I am guilty of putting my finger in the air and guessing. Usually things are later than expected, however sometimes ...
1
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1answer
67 views

Are there any public statistics on the implementation time of software tasks? [closed]

I'd like to get better at estimating how long it will take me to complete tasks. When estimating things I know little about, I think it's best to start with base rate information and adjust it based ...
1
vote
1answer
850 views

Scrum: Baseline story for point estimation

To estimate PBIs you need to choose an average story and assign it a number of points (for example 5). Then you compare all other stories to that story and assign points accordingly. My question is, ...
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1answer
160 views

Estimating time remaining in a queue with multiple workers

I've been trying to figure out a way of calculating the estimated time remaining for an item in a queue when there are multiple workers processing items from the single queue. A client submits a job ...
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1answer
132 views

Presenting agile estimates for Pivotal Tracker project

I've been developing for 6-7 years but never in a particularly agile way. With the latest project I'm trying to make our development process more professional, and more agile. We're using Pivotal ...