Questions tagged [estimation]

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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361 views

Time complexity implications when designing shell scripts for large data/high number of files?

There are many questions about the performance of commands or scripts on the U+L SE asset. As time is of the essence, this is often evaluated using the bash time reserved word or the external time ...
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2answers
236 views

Using commit messages for time tracking

Some products can parse a special syntax in commit messages to extract additional data, such at time tracking information: https://confluence.atlassian.com/display/FISHEYE/Using+smart+commits To me, ...
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1answer
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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 ...
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6answers
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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 ...
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1answer
1k views

The place of UI design when estimating and elaborating user stories

Our company is trying to follow Agile methodologies when it comes to estimating and prioritizing any new development work. The reading I've done makes this concept appear great so we are trying to ...
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5answers
3k views

How can you estimate time for tasks which primarily consist of figuring out a problem?

While it is relatively possible for an experienced developer to estimate how long it will take to implement code when the pattern and problem the code is solving is well understood, how can you make a ...
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2answers
4k 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
508 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
1k views

Using cost estimation models to predict C# software development costs

I'm a student currently on an internship. I've been asked to determine the feasibility of migrating an existing Windows-only C# software package to Mono. I've already conducted an analysis to ...
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1answer
347 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 ...
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3answers
275 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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4answers
211 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 ...
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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 (http:/...
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6answers
426 views

In scrum, how do you give an estimate for a backlog item that is primarily research?

A few sprints ago I was assigned a task that was primarily research. I had to figure out how to get our product to interoperate with a very complex black box that we did not develop. I couldn't ...
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3answers
631 views

Is there a software engineering principle that relates reuse and regression test cost on a production system?

I've worked on a large financial transaction system for a bank that looked after Pensions and Investments. After 15 years of feature changes, the manual regression test cost had climbed to $200K per ...
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3answers
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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 ...
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1answer
399 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 ...
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4answers
2k views

Do you track progress during a agile sprint (iteration)

We have recently adopted (or are trying) to adopt managing our projects in an Agile manner. During our first sprint I asked our Scrum master (who also happens to be our primary resident Agile go-to ...
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3answers
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Should we be completely honest to our clients about a time frame for a project?

I have been having this experience for sometime now, when a client needs a software product and contacts me, the client usually wants to know the time frame on which this product will be accomplished. ...
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1answer
168 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 ...
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1answer
3k views

Why is there a 20 and not 21 in some versions of Planning Poker?

In Planning Poker, cards usually contain numbers of the Fibonacci sequence, which is 0,1,1,2,3,5,8,13,21,34,55 etc. However, you can see on the Wikipedia page (and this has been confirmed to me by ...
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3answers
8k 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 ...
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1answer
215 views

Story Point Estimation - Component Based

I have read that story point estimation is not intended to actually tie with number of hours , but is used to identify the relative capacity. I have a java application which has a adapter layer , a ...
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2answers
332 views

Should there be a formal role (internal or external) assigned to dev environments to control wasteful complexity?

A few years ago, I worked for a small company that went so far into developing in-house frameworks that they dedicated their most senior developer, and their architect to developing a custom MVC ...
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1answer
688 views

What is the best way to estimate when using Agile with Scrum? Hours or Story Points? [closed]

I was at a company that switched us over from Hours to Story Points for our estimations. I remember it being difficult to understand it, and we all chaffed against the idea. However, once we figured ...
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3answers
2k 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 ...
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4answers
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What do you do to estimates for agile stories where developers are pair programming?

If it was a 2-point story for one person, would you double it if people are pairing? Pairing isn't always necessarily done 100% of a dev task, so it seems that doubling the story points seems wrong....
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Is it okay to add time for “unexpected delays” to a time estimate?

I've landed my first contract (hooray, self employment!) and the company is asking for time estimates. Programmers are notoriously bad at time estimates, and I know I've been laughably wrong before....
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1answer
6k views

Are t-shirt estimates a good way to conduct initial estimates? [closed]

I've read articles with very conflicting arguments on t-shirt estimates. Neither article seemed all that credible so I thought I would bring this up here. Are t-shirt estimates a good idea? For ...
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2answers
2k 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)....
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5answers
3k views

The Relative Cost Efficiency of (Acceptance) Test Driven Development

I would like to know what the overall impact of resource planning on a software project is, where the requirements and design of the project are driven by automated acceptance tests and unit tests, in ...
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2answers
203 views

estimation method at the “just finished definition phase”

We are basically using Waterfall life cycle methodology. Requirement Analysis: I get a use case created by some one else. Design (talking only about Low level design): I get some little feeling about ...
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5answers
1k 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 ...
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4answers
962 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 ...
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1answer
477 views

Is there an equivalent to Build-Operate-Transfer for software development?

Is there an equivalent to Build-Operate-Transfer or Build-Lease-Transfer in software development? Does it even make any sense to operate such a project in software? Do you know of any projects in your ...
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2answers
2k 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 ...
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2answers
1k 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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9answers
5k views

What should I do when waiting for a review?

Before asking my question, I must explain the situation. I'm working for a company as a junior software engineer. One of the seniors always stops me when I have finished my development and want to ...
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3answers
2k views

Requirement gathering in an agile methodology

In the great book User Stories Applied the author specified the following process for trawling requirements in the form of user stories: Create user roles (personas) --> brainstorm user goals for ...
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2answers
16k 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 ...
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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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1answer
108 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 ...
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2answers
593 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 ...
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2answers
21k 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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3answers
752 views

Has research been done on the effectiveness of Planning Poker as an estimation technique?

Although it is a commonly held opinion that planning poker improves the accuracy of project estimations (a small sample of which demonstrated on this question), has any defined research been done on ...
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15answers
134k views

Why do we use story points instead of man days when estimating user stories?

In agile methodologies (e.g. SCRUM), the complexity/effort needed for user stories are measured in Story points. Story points are used to calculate how many user stories a team can take in an ...
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1answer
3k 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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1answer
9k views

quick approach to migrate classic asp project to asp.net [duplicate]

Recently we got a requirement for converting a classic asp project to asp.net. This one is really a very old project created around 2002/2003. It consists of around 50 asp pages. I found very little ...
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2answers
419 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
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1answer
2k 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 ...