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Questions tagged [estimation]

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

4
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6answers
187 views

What should a scrum team do if they complete work earlier than expected?

Our development team estimates that they can complete 30 story points in the current iteration. Partway through the sprint they realize that they will complete 50 story points at their current rate. ...
3
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3answers
101 views

Agile user story's task estimation

I have some confusion regarding the concept of a user story's task's estimation (effort estimate) using hours. What is the actual purpose of estimating effort in hours? In addition to that, let's ...
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4answers
217 views

How to avoid the planning fallacy?

The planning fallacy appears especially frequently when estimating tasks in software development. However agile estimation methods like planning poker etc. don't seem to be designed to avoid this ...
2
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2answers
60 views

How to handle large R&D projects using Scrum (or any other agile framework)

In addition to our regular software development tasks we have some large R&D tasks which we find difficult to fit into our scrum framework. The main issue is that there is absolutely no user ...
3
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2answers
414 views

Is it possible to remove Stories during a Sprint in Scrum?

Scenario In our organization, we use velocity to forecast the amount of possible work in a Sprint. Sometimes, based on the Team's average velocity, we add extra features not related to the Sprint ...
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2answers
58 views

How to negotiate a software proposal?

My company (western Europe) needs to outsource a project, and I received an offer from a eastern Europe software company. The proposal consists of a main part and an optional part. The work is ...
4
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6answers
192 views

Is it fine to correct an estimation of a story during execution?

During execution of sprint, should team allowed to change estimation of a story in following scenarios. During execution When a story is finished Re-estimate in absence of Product Owner(PO)
3
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2answers
191 views

How to schedule back and front-end developers based on story points?

We are used to create multiple sub-tasks for each user story and provide each sub-task with an estimate in hours and assignee (back or front-end). With the following outcome: Total estimated time ...
3
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4answers
350 views

How to break down an 8 point story into smaller stories in Scrum?

My team and I are struggling with breaking down a user story that we have estimated to be 8 points. The user story is : "A user can sign up to the app using a registration form so that he is ...
3
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2answers
102 views

Are there techniques for gamification of hours estimation?

Our team breaks down user stories in sub-tasks, then estimate their sizes in hours using the planning poker technique. The numbers we use are 2, 4, 6, 8, 12, 16, 24, 32 and it goes just like story ...
2
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3answers
66 views

How much time should be given for investigating bugs/user stories for a sizing session

How much time should a developer spend on investigating bugs/user stories for sizing in a sprint? Currently we have 2 sizing sessions and a developer has time (time-boxed at 5min) to investigate and ...
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2answers
54 views

How to set quarterly goals for an unknown amount of work?

My team is working on improving performance for our web application. We have a general idea that we want to: Lower the number of "bad" API calls by focusing on driving down the number of requests ...
2
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3answers
94 views

Is the product owner responsible to make long-term estimations about PBI in Scrum?

We know in Scrum, the responsible for make estimations is solely responsibility of the development team, but in long term planning, for example a release planning, we'd to have some kind of estimation ...
0
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1answer
33 views

Estimating Fixed Price Project Cost Payments via Monthly Milestones

I have spent the last few days searching for an answer on how to use MS Project (2010 in my case) to estimate a project's cost via milestones that are split along a long program (2.5 years). The ...
3
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3answers
63 views

What is the term for actual delivery time will be varied by 4 times from estimation?

I remember I once read in Wikipedia about a law stating that the actual delivering time will always be 4 times less to 4 times more from the estimated time, even when you aware that law and know every ...
4
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2answers
68 views

What type of estimation is applicable if work items can't be similarly sized because they will violate MMF

As per Kanban, estimations are considered as waste but from the business perspective we need estimation and there is no way to keep features similarly sized. S, M, L sizing does not work as well ...
3
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4answers
64 views

how to estimate multiple stories with less complexity?

We want to track user activity on this screen (attached image) i.e. close button click (top-right) User's tap on textbox (Type your city) User's click on Detect my location If we follow INVEST ...
3
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2answers
76 views

What techniques do you use to establish scope in agile

More than communications skills, lean techniques to discard useless features with no value, more than ask "what do you want?" or "is there anything else?" to the customer. Reading the book Agile ...
2
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4answers
77 views

Under what circumstances should a software vendor be allowed to increase charges due to unforeseen complexity?

Something that occurs quite often in outsourced software projects is the vendor underestimates the complexity or learning curve associated with an agreed-upon statement of work, and wants to increase ...
3
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4answers
122 views

Handle stories which can not be estimated

Do scrum have a method for handling tasks which can not be estimated in any meaningful way? I'm going to give an example we faced recently. We sell some hardware devices and recently found out that ...
2
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2answers
55 views

Product backlog items must be estimated in story points?

I have read some common "good practices" out there. Does scrum specify the metrics or the team must determine what and how to use metrics, processes, etc. to the benefit of the product?
5
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1answer
130 views

Using the Stacey matrix to capture agile metrics

I recently encountered the Stacey matrix in an answer by Stephan Weinhold. After looking at the linked image provided & doing a bit more reading that describes it as a way to characterize ...
1
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4answers
96 views

Is it possible to control a project without start date and durations?

In a discussion about the project plan with my team we collected activities, brought them into order and defined end dates. When we came to defining start dates and durations one of the elder team ...
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3answers
66 views

How handle the change in baseline story

We follow Agile Scrum. We had identified a baseline story for story point estimation and used it for many sprints. We had a velocity calculated. After sometime, the team found that the baseline is not ...
3
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5answers
263 views

Is it possible to give accurate estimates and planning without tracking time for tasks?

I work within a small team of developers. We don't track our time so we have no data to work off when we give estimates. Basically, I'm wondering if it's possible to have a successful plan and give ...
1
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1answer
65 views

Any suitable cost estimation approaches for ETL projects?

I would like to know if there are any suitable estimation approaches for ETL (Extract, Transform, Load) projects. In my case I will be using Logstash for an elastic stack. Since the amount of work (...
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0answers
52 views

Is it possible to display Estimation Points for lanes in Active Sprint in JIRA?

in the attachment you can see JIRA, an active Scrum Board. I've a very simple question, is it possible to have on top of the lane a number representing the Estimated Points that are the sum of that ...
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1answer
115 views

If SAFe must be continuously calibrated and measured in ideal days, why does the framework say recalibration is unnecessary?

TL;DR SAFe says you don't need to recalibrate estimation, but requires estimates and other metrics to be normalized across one or more Agile Release Trains. Context, question rationale, and the ...
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4answers
105 views

Cone of uncertainty - how could we delay commitment to estimates in real life?

I am reading a book from Steve McConnell dealing with software project estimations and I do not understand the following statement (my translation, I got the book in German): An effective ...
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2answers
327 views

A simple estimation accuracy formula that yield always 0-100?

I'm just beginning and despite my search I cannot find any simple formula that would return a number between 0 and 100%, i.e. I do not care whether there was over or underestimation. The simplest ...
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1answer
28 views

A recursive quote/rule about underestimating tasks

There was an interesting quote I read a long time ago that went something like this (It was more like a rule, let's call it the X rule): The X rule: everyone will underestimate the task assigned to ...
3
votes
6answers
910 views

Alternatives to estimating in hours/story points

We are looking to change our approach on estimates. Now we estimate in hours/days, but we would like to change this and make our process more flexible. We are working based on Scrum, where stories are ...
0
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4answers
91 views

How to estimate time for a project needing skills only a new hire has?

I have a little new company that works with robotics, machine vision and natural language processing. But for some projects, we need to write some Android/iOS applications. In our company we don't ...
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6answers
743 views

Velocity of the team

If i have been provided with the information of six sprints having story points like 20,21,22,23,24,25,26 then what should be the velocity of the team ?
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2answers
47 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 ...
0
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3answers
77 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 ...
3
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2answers
717 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 ...
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5answers
93 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 ...
2
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1answer
60 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
137 views

Use Case point estimation technique - TOP DOWN

Is User Case Points estimation technique "TOP-DOWN" approach?
3
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3answers
207 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 ...
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3answers
67 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 ...
2
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1answer
62 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 ...
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2answers
100 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
vote
3answers
106 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 ...
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2answers
156 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
63 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 ...
3
votes
2answers
813 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, ...
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1answer
153 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 ...
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4answers
845 views

Should I estimate repeating tasks (besides Stories and Bugs)?

Besides User Stories and Bugs (no estimation) we have some repeating Tasks in our sprint, which have not much insecurity and a clear scope. For example such a task is "releasing our plugin" (building, ...