Questions tagged [estimation]

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

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3answers
1k views

Why are Story Points of a story not equivalent to days/hours in estimation. In Scrum [Agile]

I'm currently working in a team with new to agile methodology programmers and few old school peeps. They seem to always, in planning meetings give hours/day estimates for a story. It really pisses me ...
4
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2answers
1k views

Getting estimated working time from MS Project

Our company has just recently started using MS Project Professional 2010 and we plan to eventually have a Project Server installation. I've created a few projects so far, but still claim to be a ...
2
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4answers
12k views

Modelling schedule uncertainty in Microsoft Project 2010/2013

Microsoft Project 2010 (and 2013) no longer contain PERT charts. With this in mind, what is the recommended way to model uncertainty in project time estimates? UPDATE: I only brought up PERT diagrams ...
2
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3answers
2k views

Alternative schedules in Microsoft Project 2010?

I'd like to create a "reference" schedule, then create an optimistic and pessimistic schedule based on this where the duration of each task in the optimistic/pessimistic schedules are calculated as a ...
5
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6answers
237 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)
2
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4answers
459 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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3answers
1k 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 ...
2
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4answers
2k 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, ...
0
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2answers
106 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 ...
2
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2answers
525 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
975 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 ...
4
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4answers
591 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 ...
24
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7answers
21k 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 ...
3
votes
2answers
141 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
110 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 ...
2
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3answers
120 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 ...
1
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2answers
66 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 ...
93
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9answers
38k views

How to estimate amount of work/man hours for an unfamiliar task?

Sooner or later we come across a task in our project, with which we are totally unfamiliar ('we' as in PM, but also possibly the staff assigned to do this particular task). How can we estimate ...
4
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2answers
118 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 ...
22
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10answers
2k views

Is estimating a project without basic requirements or user stories a good idea for a fixed cost proposal?

I am currently trying to create an estimate for a software proposal. In this context, we are requesting a fixed cost amount of funds. I personally lean toward Agile development practices. I, however,...
4
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2answers
77 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 ...
5
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6answers
633 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 ...
3
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4answers
134 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 ...
3
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4answers
555 views

Best measurable units for non cross-functional team estimation

I have a new development team and I want to use Story Points for high-level estimation. But I have two problems: My new team is not cross-functional (we are trying to solve this, but this is a slow ...
3
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4answers
73 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 ...
2
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4answers
106 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 ...
2
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2answers
89 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?
12
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3answers
39k 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 ...
5
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1answer
221 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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2answers
457 views

What pro forma documents do people use to talk to clients about web development

This is a very general question and I believe it will be relevant to other people in my situation. I've been involved as a hobbyist in web design and development for over 2 years now. I have produced ...
1
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1answer
146 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 ...
1
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4answers
101 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 ...
0
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3answers
77 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 ...
5
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4answers
2k views

How to manage story points when several developers work on 1 story?

My team consists of 2 backend devs, 1 front end dev and designer. Lets pretend we have next user story: As a user I want to sign-in/sign-out to use the system Designer says that it is equal to 2 ...
1
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1answer
144 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 (...
1
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0answers
70 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 ...
1
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4answers
133 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 ...
4
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6answers
1k 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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1answer
42 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 ...
0
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4answers
108 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 ...
1
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6answers
1k 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 ?
3
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2answers
441 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
87 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
votes
2answers
727 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
103 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
48 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
205 views

Use Case point estimation technique - TOP DOWN

Is User Case Points estimation technique "TOP-DOWN" approach?
3
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3answers
277 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 ...