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.

learn more… | top users | synonyms (1)

2
votes
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 ...
8
votes
5answers
288 views

Are bargaining and beat down attempts on Scrum estimations legitimate parts of the process?

I noticed in scrum meetings, that developers often give realistic estimations on stories. However, even rather simple stories need a lot efforts for configuration, setting up third party components, ...
4
votes
5answers
194 views

Why are we anyway doing Software Estimation knowing it is broken? [duplicate]

This is one SW development problem that hits the sea of developers as they crash into the rocks of management. Somewhere down the line the estimate given by the programmer gets translated to a date ...
7
votes
2answers
197 views

How can I make a boss (or colleague) be more careful when estimating the complexity of a task/project?

I am a software developer, and I work in a small web development company. It seems to be a recurring theme that a middle-manager will ask me how long something will take, and when I give them my ...
4
votes
2answers
85 views

Concrete alternatives to inverse relationship between project completion time and number of developers?

Background It is now well understood (if not always well communicated) that the following logic does not apply to software development project estimates: A project that would take 1 developer 12 ...
-2
votes
2answers
185 views

How to know if I'm slow or fast at programming?

I understand that it's extremely depends on a particular case, but I really would like to know at least roughly how long a specific task can take for completion to average programmer. Is there any ...
-2
votes
1answer
90 views

Complicated constant in “The Software Equation”?

Why are the constants in The Software Equation so complicated? Here is the equation. where E = Project effort measured in person-months or person-years LOC =Lines of Code estimate for the ...
2
votes
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
votes
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
4answers
142 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
votes
2answers
74 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 ...
4
votes
2answers
110 views

Estimating in groups - How to extract useful statistics / estimates?

As many other projects we have to estimate our jira tasks up front. This is obviously not fun and I've started hacking on a simple webapp to "gameify" this tedious process. My idea is that an issue ...
4
votes
2answers
120 views

What document/artifact should alert me when an old requirement changes the scope of new one?

I developed a software application a year ago, I delivered it with a simple documentation. For example, it has an special and complicated login system as requirement. Now the customer calls and ask ...
0
votes
3answers
135 views

When estimating with a fresh team on a new project, is there a reason not to use default velocity for estimating?

Generally when estimating using an Agile points system on an experienced project team, the points have meaning relative based on past experience - that take into account: understanding of the ...
3
votes
1answer
185 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 ...
4
votes
1answer
176 views

Misunderstanding about “Evidence Based Scheduling” in estimation tasks

I read the Spolsky blog the post with title "Evidence based scheduling" (http://www.joelonsoftware.com/items/2007/10/26.html) but I don't understand the mechanism to predict and estimate ...
0
votes
1answer
88 views

Do I need to estimate maintenance software issues? [closed]

The PM of the company I work on, always asks me to estimate maintenance issues and since there are several legacy systems that I didn't build, makes this hard to get. He says getting estimations for ...
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
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 ...
4
votes
4answers
318 views

Estimating scrum points for non cross-functional team

We are working to transition our development team to be more Agile. I have a question about story point estimation and their relationship to an individual's skill. The scenario is that our team ...
13
votes
6answers
1k views

Time estimating of a complex bug investigation (not a straight-forward one) [duplicate]

(It is not a duplicate: Bug investigation is much more non-deterministic than a defined development task where things to be done are specified. Investigation is about narrowing a huge search space, ...
0
votes
3answers
300 views

What to tell a manager who tells your estimates are too much for a genuine task [duplicate]

My manager keeps complaining that the estimates we have come up with are too much for the customer — every time he asks us to think like a customer and see whether the estimate is valid, but my point ...
3
votes
2answers
397 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 ...
0
votes
2answers
251 views

How to budget for a programmer you're not ready to hire yet? [closed]

I am trying to work up a budget for an app, specifically a budget for hiring a third-party programmer to add a specific feature, and I'm trying to figure out how to get a decent number. The ...
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 ...
0
votes
0answers
52 views

Alternatives to binding cost quotes of indefinite projects

I work for a custom software house. We have clients with yearly budget allocations. They often have excess funds they need to spend before the next fiscal period, but only a general idea of what they ...
1
vote
3answers
193 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
votes
2answers
248 views

Estimation of space is required to store 275305224 of 5x5 MagicSquares? [closed]

Here are some examples of 5x5 Magic Squares found by some good solvers : Magic Square Generator by Marcel Roos this program state using 2.4GHz Intel takes about 95 hours to generate all solutions. ...
3
votes
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 ...
29
votes
9answers
3k views

Why are deadlines always so short? [duplicate]

I'm a junior developer in a small company (in a team of 2 developers). Everytime we are asked to implement a new feature: the deadline is set so that we just have time to do the development: there ...
1
vote
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 ...
1
vote
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 ...
6
votes
7answers
774 views

Estimated work remaining doesn't get lower [duplicate]

I'm working as a developer / architect on a software project. The project manager decided not to follow the Agile principles, but to rather have an Excel sheet with all the feature requests and their ...
0
votes
1answer
143 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 ...
0
votes
2answers
164 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, ...
1
vote
1answer
205 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 ...
2
votes
5answers
652 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 ...
0
votes
1answer
399 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 ...
52
votes
5answers
2k 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 ...
1
vote
1answer
853 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, ...
1
vote
1answer
161 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 ...
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 ...
1
vote
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 ...
2
votes
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 ...
3
votes
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 ...
5
votes
6answers
317 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 ...
3
votes
3answers
765 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 ...
1
vote
1answer
330 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 ...
6
votes
4answers
908 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 ...
4
votes
3answers
586 views

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. ...