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Questions tagged [estimation]

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

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1answer
214 views

How do you cost for an agile ux project?

Hi I work for a small digital agency where we do a lot of ux work and therefore a lot of planning and research. The culture and approach to development projects we have moved to in recent years makes ...
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4answers
931 views

How do you measure time units in sprint velocity?

I am trying to get my head around "Story points" using the Scrum methodology. As a starting point, I have been following the following article: http://scrummethodology.com/scrum-effort-estimation-and-...
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1answer
220 views

How should we estimate accessibility testing for a waterfall project?

I am working with a lot of teams and there are different phases of testing. We have devised a standardized process for accessibility testing across many different teams. This process is to be done ...
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4answers
788 views

Estimation given in days and need to plan in Agile

The client internally feels that this is about 500 developer days worth of work and there could potentially be 4 developers (or pairs of developers) that work in parallel. We need to go back to them ...
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3answers
125 views

Estimation of non-estimability project

We need to create some solution with a new technology, in which no member of my team has any experience. The higher management demends the tentative dates of the working solution. After a week of ...
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7answers
16k views

How do you schedule delivery dates in Scrum?

I've run into a constant issue. When a project starts, the client typically has a list of functionalities to be built in to the application. As a team we would like to follow Scrum. But the next thing ...
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1answer
7k views

Effort Estimation in Production Support Projects [closed]

How can we do the effort estimation for Production support projects? Need to decide count of resources in L1,L2 and L3? I have 2 projects - 1)Apps with few months of Ticket details 2)Apps with No ...
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5answers
75 views

Determining the best task average

What is the best way to determine a weighted average for the actual time spent on historical tasks. Let's say for example each project has a task A. And task A varies in time spent depending on ...
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4answers
175 views

How to estimate without relying on SMEs to estimate based on similar projects?

I create MS Project schedules for the government and recently moved to a new position on a staff where I am being asked to develop and control schedules for tasks that are rather vague, i.e. create a ...
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7answers
429 views

How can I make unit testing a priority?

As a one man band delivering smallish web development projects, I found that nearly all regression issues that clients find in the final development phase of the project could be found with unit tests ...
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2answers
442 views

What are Acceptable SLoC Rates?

This is not a question regarding the quality of the SLoC metric. I accept it as a limited, inaccurate, or even poor metric. That said, I am looking for data that indicates what reasonable rates ...
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6answers
739 views

Should we allocate separate hourly estimates for test tasks in addition to the development tasks

Breaking user stories into tasks and estimating their development time in hours is pretty widely accepted. However, we have subsequent test activities that need to be carried out before the task and ...
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3answers
211 views

reestimating story size after moving back to product backlog

Let's assume that part of the story (worth say 8 points) was done in the sprint 1. Then, after implementing part of it we are discovering that in fact it is much bigger than originally estimated. ...
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2answers
285 views

How to estimate story points if team members work on different applications

Our team consists of 4 full-time developers and occasional outside help. The developers maintain several different applications and do not all share the same skill set. I understand that scrum teams ...
7
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2answers
239 views

Sprint story point from PM perspective

As a project manager, I am interested in the effort (estimated and actual). While Sprint based estimation is story point based, how can I translate them to effort so that I can track and report them. ...
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6answers
2k views

Is it possible to forecast when a scrum team will complete the product backlog?

This question is related to this question but I couldn't find this part answered there. I am part of a large project whose entire product backlog has been sized in story-points. The estimate is ...
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2answers
595 views

Function Point value, which is better

Based on FP table here: http://www.qsm.com/resources/function-point-languages-table Here are average FP value for 3 different languages Java --> 53 J2EE --> 46 .Net --> 57 As I understand the FP ...
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5answers
2k views

In scrum should incomplete stories be re-estimated or does the original estimate get burned down when it's finally completed?

If I have a story that's been estimated at 10 story points and we don't manage to complete it in a sprint how do you handle estimates for the sprint in which it's next included (assuming it gets ...
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2answers
413 views

Time estimation and deadlines

I started working in my current job as an Android developer right after graduation (1.5 months ago), my first task was to build a complaint application which includes the following features: ...
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6answers
618 views

Team productivity vs team size

I am looking for information about how the team size impacts project velocity. Let's assume that I have a small project estimated at 300 hours for single worker. What impact does team size have on ...
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7answers
4k views

Why use both story points and hours?

I'm a new scrum master for a team that is using story point estimation and hours. We do story points first during grooming and then hours during planning. I always thought of story points as being ...
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6answers
419 views

How can we mitigate uncertainty about project estimation in the initial phase?

According to Boehm’s Software Engineering Economics, during the project initiation, estimates can be off by as much as 400%. However, in order to make the sale, account managers are expected to make ...
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3answers
100 views

How to estimate a project without understanding the network path?

I am trying to estimate for a project, with each resource work for some hours and i have total hours for project. How can derive the exact completion date ? Eg. Resource 1 - 25 tasks - 240 hrs ...
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3answers
844 views

Is formal tasking required on a Scrum Team

I understand formal Agile-Scrum tasking as the practice of documenting tasks and estimating task hours for each story or product backlog item a team commits to in an iteration. A task defines part of ...
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4answers
725 views

Sizing a potential project rapidly without formal estimation

We have been asked by management to spend a very short period of time to "size" a software project - that is, to give them a very loose ballpark of time to implement the entire thing. There are three ...
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4answers
3k views

Budgeting in an agile project

I'm really confused on how agile projects are budgeted for cost and effort before the project starts. Cause the user stories are never completely discussed and estimated as a practice in agile. So if ...
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1answer
424 views

Techniques to calculate the cost of change in software engineering

There is a bunch of techniques to do software estimation. Now given a piece of software, is there some methods/techniques to evaluate the cost of change of an already implemented requirement ?
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6answers
270 views

How to prevent deliberate long estimation?

There is a team and a PM. Unfortunately, the PM does not have very strong technical skills, therefore he has no basis for estimation of the time and costs which are required for each part of project. ...
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3answers
571 views

How to use Story Points, if User Stories are completely different?

Story Points (SP) is a good measurement, that allows estimating User Stories. SP (in my understanding, it's an important note) is convenient because it is relative and not related with time. All ...
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4answers
387 views

Should the complexity estimate of a task change in scrum?

I'll just start with an example. We have a repeating task "Release library" which in the beggining we agreed on an estimate of 2 points: it seemed to be twice as hard as our 1 point baseline. As we ...
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2answers
219 views

Non-measurable works should be done in scrum process?

I think that I have some misunderstandings from scrum. Estimates of some tasks are not measurable. For example researching about something or talking about company road map and etc. I can't estimate ...
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1answer
87 views

Mobile apps: integrate backend work in velocity?

Here is my situation: I work with two SCRUM teams, iOS and Android Each of the SCRUM team has its own Product and Sprint backlogs We have shared Sprint Plannings, Reviews and Retrospectives (both ...
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3answers
32k views

What does person-month mean in development time?

I have a question about communication channels that is talking about person-month but I don't understand what is a person-month. Does it mean this many persons? or this many months? Here is the full ...
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7answers
353 views

Scrum - Adding estimation points for learning / context switching

In our scrum team, team members tend to add extra points in estimation when there is a "learning" part involved. Here's a simple silly example. Let's say all the people in a team are experts in C# ...
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1answer
86 views

How to estimate effort when the story involves a large number of repeat processes?

In our organization we occasionally have stories that involve a very large number of repeated process. The process itself is very simple and straightforward and usually we give 2~3 points. When the ...
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1answer
376 views

How to calculate Critical Path including Std Dev for each activity estimate?

When estimating activity durations, you get a duration plus/minus a sigma (standard deviation) for each activity. Afterwards, when you want to determine the critical path, what figure should you ...
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2answers
119 views

Underlying algorithms to restimate the remaining tasks based on previous estimated and actual time realised for completion?

I need to re-evaluate time for remaining tasks based on the actual time and estimated time of completed tasks. For example if a small project had 4 tasks and each task was estimated at 2 days. Lets ...
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4answers
410 views

Scrum team committments

If my Scrum team is always completing 100% of their committed items, is that a good thing? Given the amount of variability in software development, this would seem to indicate something is fishy to me,...
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1answer
3k views

Cost estimate template or examples for software development [closed]

I am preparing my first cost estimate for a project as a freelance software developer, and I am wondering if there are templates or examples available to help me get started. I understand that a ...
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4answers
338 views

Best reply to project manager's failed humour [closed]

Whenever a manager ask us to perform a task, we often ask "when do you need this by?" Some managers try to be smart and often say: "yesterday". What would be the best comeback response?
5
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1answer
286 views

Scrum uneven distribution of work hidden in a unified effort

I'm currently a developer at a small software development firm, and we are starting to adopt Agile (specifically, Scrum) philosophies into our culture and project management style. We have only a few ...
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6answers
532 views

What level of analysis should the development team expect before being asked to estimate and develop a story?

Here is an example of s story that recently made its way into a timebox. As an Ecommerce Executive, I want to make improvements to the Request a Callback form which will make it easier to segment the ...
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10answers
7k views

Do you include testing in the original estimate?

Our dev team estimates work in hours, but we do not include any testing time in the original estimate. For example if the devs say an item will take 4 hours that will become our estimate for that item,...
4
votes
1answer
1k views

Agile. Release planning. Why do I need stories instead of themes/epics

I'm reading Mike Kohn's book about Agile estimation. At the same time I have a release planning in couple of days. It's going to be 6 months (12 sprints release). We have the ideas about what needs ...
0
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1answer
88 views

Outsourcing company: Usage of velocity for offers

Currently I am working in an outsourcing company and our management has decided to use the following scheme for "Velocity of the developers": Each developer has a velocity quotient: Senior Developer:...
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3answers
284 views

What to do with the Sprint backlog tasks that we have decided are not needed any more

Can anybody answer my question here? I have estimated for 5 to 6 tasks like analysis (4 hrs), design (3 hrs), logical review (1 hr), peer review (1 hr), unit testing (1 hr), coding (2 hrs) and release ...
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3answers
4k views

What is “Lead Time”?

I have a task within my project criteria which states: "Purchasing lead-time for the steelwork is estimated at 60-80 days". What does lead time mean? Do I have to make special considerations for this?...
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3answers
232 views

Should defect criticality change based on user needs?

Question Is it correct to assume that the criticality of a defect can change along with the project's progress? If so, when is this acceptable? Background Criticality is one of the indexes we've ...
5
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3answers
451 views

How to make realistic long term time estimations when adopting Agile methodology?

I just started to manage the technical department of a small web design firm. It's the first time I'm faced with such a job and I'm trying to figure out how to improve their project management ...
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2answers
201 views

What's a good way for a Scrum team to handle budgets and work with other departments?

In my organization, the developers are using Scrum (which started recently), but the sysadmins are not. We're about to start a large project, and we've been asked for detailed description of our ...