Questions tagged [estimation]

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

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3
votes
2answers
456 views

How can I stop my remaining estimate to be adjusted?

In JIRA, we have a task for standups and meetings, obviously this task does not need an estimate, but it is useful to have time tracking on it. However, when I log time on this issue, the remaining ...
0
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3answers
88 views

What could be potential harm of giving points to chores or technical debts?

Recently our team has decided to give points to the chores. They had an argument that: Velocity defines team's capacity to deliver the work and if chores are not counted in velocity it won't reflect ...
18
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7answers
1k views

Estimating when the development team won't estimate

I'm new to a situation where a development team refuse to estimate anything until they have a fully defined spec. My angle to obtain estimates is to provide just enough of a spec so they can provide ...
2
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2answers
729 views

How to estimate when knowledge varies between team members?

My team estimates task which is easier for someone who already knows Swagger but harder for someone who doesn't. The person who knows Swagger will likely have other tasks to do so this one may fall to ...
-1
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5answers
106 views

Should user stories be estimated by efforts or by value it added?

I read this in an answer on SoftwareEngineering.se: Don't forget to distinguish between size and complexity in your estimating. You should estimate on size only, not complexity or difficulty. For ...
-1
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2answers
49 views

Should we create multiple stories for same thing to be replicated at code level?

We have a page with the same content at 2 places. Since we are running with legacy code and due to some previously made bad decisions, we have duplicated the logic twice for the same thing. Both the ...
1
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1answer
70 views

Advanced estimation accuracy techniques

What techniques are available to calculate the accuracy of ranged estimates, on units of work that may be irregularly re-estimated? The evaluation should account for estimates made on behalf of ...
0
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1answer
230 views

Use Case point estimation technique - TOP DOWN

Is User Case Points estimation technique "TOP-DOWN" approach?
3
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3answers
293 views

Are there alternatives to estimation? (Software development)

I am taking control of a small project for the first time, and want to tell if we can deliver our scope on schedule. Most teams I have worked in have used story-based estimations. My experience of ...
149
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18answers
89k views

Why use story points instead of hours for estimating?

After using hours to estimate our projects for a long time and rarely coming within 20% of actual "work-to-ship," I have been told by a handful of people that "points" work a lot better at gauging the ...
1
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3answers
74 views

Stakeholder view of projects without time?

I'm a PM for a small development team. We have a mix of large transformation projects and small improvement projects. We're not good at estimating in man hours (and in fact I'm yet to meet a team of ...
3
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2answers
245 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 ...
18
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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 ...
1
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1answer
73 views

Unable to determine the actor in UCP estimation for a given scenario

I have just started using Use Case Points recently. Apparently it looks simple to use but there are certain scenarios where it is difficult to figure out the right transaction count or actor count. ...
0
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1answer
9k 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 ...
2
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1answer
66 views

How to estimate the value of software for a control system?

Control systems are like computers, but sometimes less so. For the current discussion, it can be assumed that some custom effort maybe needed to make the same code work on different platforms. With ...
1
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2answers
110 views

Estimating and Project budgets

I'd be interested to hear how you manage dealing with project budgets when having to provide a fixed cost up front for the customer ahead of starting the work? For context, and without giving too ...
1
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3answers
131 views

How do you write completable “stories” when all members of a team have a specialty?

From a user perspective our stories seem clear. From a engineering perspective our stories are a bit too broad and need to be broken up into sub-tasks. This is OK, but each member of the team has a ...
1
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2answers
175 views

How many developers do we need? How much time?

We are currently using Scrum and we are evolving into Kanban. At the same time, we are starting a migration from version 1 of our underlying framework to version 2. There is a target date of January 1 ...
0
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1answer
74 views

How to create a schedule for a UX process?

I started to work on a new project ( software development) an my boss asked me: "what are the next steps? I need a schedule!" We're at the beginning, doing some user tests and researches about the ux ...
1
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1answer
334 views

How to determine hours spent on a project if didn't record them at the time?

How can I produce an accurate determination of hours spent on projects in the past when I didn't record the time spent at the time? I used to own my own business putting on concerts in the Seattle ...
5
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2answers
1k views

How to allocate story points on extremely complex user stories?

We currently allocated story points the following way: 0.5 very simple (approx 0-30 mins) 1 simple (approx half a day) 2 Medium difficulty (couple of days) 3 Hard (3 days) This works well for us, ...
7
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5answers
6k views

Jira story points versus sub task estimation

We are using Jira for agile PM, but are having problems working with both story points and sub task hours estimation. Articles like this and this just don't seem to help. The second article has a ...
7
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7answers
1k views

Developers don't like to estimate. What can I do to improve the process?

I have two kinds of projects: Agile where estimates made with story points using planning poker http://www.planitpoker.com/ Waterfall/Kanban where estimates made on hours/days divided to specialty. ...
7
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7answers
883 views

How to make Release Planning more accurate?

I had an interview with one company. They use Scrum, but don’t like rough estimates during Release Planning. So, they asked me, how to make Release Planning more accurate (they don’t want more than 30 ...
2
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2answers
621 views

Why in PERT the activities duration follows a Beta distribution

studying the details of PERT/CPM, I'm perplexed when I read the formula of duration of an activity is expected time = (opt. time + 4medium + pess. time) ÷ 6 because it's following a Beta ...
4
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1answer
130 views

Pragmatic method to check/improve effort calculations

Somebody asked me to look over their cost calculation for an internal IT project in the 1.5 mio € range. They did some eyeballing, and are now asking me to cross-check it for them with a few hours of ...
3
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1answer
104 views

Deal with unestimated Defect-Tasks in Sprint for Veloctity calculation

As said many times before (1, 2, 3): "Do not estimate bugs / defects". I know in Scrum we try to minimize the defect rate, but it happens now and then. Fixing such unestimated tasks might have ...
3
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1answer
139 views

Conversion from complexity estimation to actual costs

We do Scrum - therefore we do not estimate hours or workdays, but estimate complexity (Story Points). As our customers mostly want to know what a feature might cost, we somehow have to do a ...
1
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1answer
237 views

Is COCOMO 2 Estimation Sound, or is there Something Better?

I am reading about COMOMO estimation and what I see is margin of error is almost always too high. Also I didn't like the idea to use lines of code to measure progress. So I wonder is COMOMO really a ...
4
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2answers
164 views

What methods are there to figure out how adding people to the project will reduce the amount of time needed?

I've been asked to estimate how long it will take for a big project to get done, and I was able to break it up into small tasks and come up with an estimate for one person do it. However, I'm now ...
5
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2answers
1k views

T-Shirt Size and total estimation, how to manage them?

I'm working on a project and the Product Owner has to decide if and how many new game-features implement in a SmartPhone app. Those game-features have the goal of keep the user more active inside the ...
8
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3answers
2k views

Sprint Burndown chart and tasks estimation in time

I worked as a developer Team Leader, than we became Agile and I took the role of Scrum Master (SM). In the meantime, I've switched to Project Management, but remained in contact with Agile and Scrum, ...
0
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1answer
83 views

Scheduling hours over a fixed duration in MS-Project 2013

I am new to Project and, rather than spending anymore time reading the web, I thought I'd appeal to some experts. In our company we often schedule tasks similar to the made-up one just below. We are ...
1
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1answer
95 views

How does the public sector estimate the cost of large-scale infrastructure projects?

Using the example of the proposed Donald Trump Mexico-USA Border Wall; various figures for the estimated cost have ranged considerably. Mr Trump claims the total cost of the wall will be $10bn (£...
3
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3answers
395 views

How can we manage schedule risks brought into a project by 3rd party software?

Working in web-development, I face a common situation when clients want to use 3rd party software as a starting point of the project. That could be a CMS, an e-commerce site, or something else. ...
-2
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1answer
103 views

Scenario based Use case point estimation counting

I am new to use case base estimation technique. I have the following scenario and facing little difficult to conclude my use case point count. Suppose I need to execute 3 steps one after another. Each ...
1
vote
1answer
499 views

EQ/EO determination from a functional point sizing perspective

I am new to function point(FP) estimation. I am considering the following cases would be considered as External Inquery(EQ)/ External Output(EO) in function point sizing perspective. Please correct me ...
13
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4answers
1k views

Forecasting Story Points in Agile

Are there any methods to fairly estimate story points for a project before deep diving into the planning poker part. I am asking this because sometimes at project initiation it helps to know the ...
11
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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 ...
0
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1answer
167 views

Governance cost as percentage of FTEs

In an Outsourcing IT project we are are trying to estimate the relationship between the governance cost and the project size in FTE. For example, if the governance cost of a 500 FTEs project is X ...
3
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3answers
363 views

How (and in what units) to measure the product scope?

Short version: How and in which units is it better to measure the product scope (volume of incoming requirements / amount of business functionality) if different parts of product (different ...
4
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3answers
669 views

How to address friction between estimation requests and delivery commitment

I'm working on a large program, of which my team are a small but vital part. We have three development teams on aligned on three weekly sprint cycles. We assign stories from the backlog based on a ...
3
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2answers
207 views

How can I produce more reliable estimates for technology refresh projects?

After running a few projects that refresh technology rather than add functionality, I've noticed a few recurring themes: Technology refresh projects are more likely to go over budget/schedule; ...
2
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3answers
202 views

How to shift to the semi-automatic estimation of the projects?

I am working at a custom software development company. The number of incoming custom projects has increased over the last few years. The first problem is that not all customers are willing to pay us ...
20
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4answers
6k views

How should a team handle disagreements about story-point estimates in Scrum?

During estimation, the Product Owner presents a user story that seems clear to a team that usually knows their strengths and weaknesses, and that is not hostile. What should the Scrum Master do if the ...
13
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4answers
269 views

Eliciting Requirements as a Client

Background: I am a computer science student and am currently employed as a programmer for a health institution. Recently we discovered the need for a project which is beyond a 1-man job (I am their ...
6
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2answers
385 views

Small firm with 4 developers and 2 project managers in need of some guidance for project workflow

I work as a developer in a small IT firm with 4 developers and 2 project managers. We currently implement some sort of traditional project management, in which the workflow for a given project is as ...
8
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3answers
9k views

How to estimate a project budget using story points?

Current workflow in our company: I create Given/When/Then scenarios or User stories Developers estimate Scenarios/User stories in hours, by giving minimum and maximum amount of time for 1 scenario/...
4
votes
4answers
649 views

Should a team estimate tasks based on the executor's capacity or on the team average?

My team is adopting Scrum. When estimating story points for a backlog item, we use planning poker to reflect the team's average vision of the story's complexity. When estimating task hours within a ...