Questions tagged [estimation]

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

Filter by
Sorted by
Tagged with
3
votes
5answers
416 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
vote
1answer
356 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
vote
0answers
176 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 ...
3
votes
1answer
249 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
vote
4answers
238 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 ...
3
votes
6answers
4k views

A simple estimation accuracy formula that always yields 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 ...
0
votes
1answer
53 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 ...
4
votes
6answers
2k 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
votes
4answers
114 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
vote
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 ?
-1
votes
2answers
58 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
votes
3answers
119 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 ...
2
votes
2answers
757 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
votes
5answers
152 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
vote
1answer
96 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
votes
1answer
289 views

Use Case point estimation technique - TOP DOWN

Is User Case Points estimation technique "TOP-DOWN" approach?
5
votes
3answers
398 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 ...
2
votes
3answers
84 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
votes
1answer
81 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
vote
2answers
113 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
220 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 ...
2
votes
2answers
185 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
votes
1answer
75 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 ...
5
votes
3answers
2k 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, ...
1
vote
1answer
465 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 ...
2
votes
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, ...
3
votes
1answer
141 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
votes
1answer
186 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 ...
2
votes
2answers
3k 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 ...
1
vote
1answer
423 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 ...
5
votes
2answers
2k 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 ...
4
votes
2answers
389 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 ...
8
votes
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, ...
8
votes
3answers
2k 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 ...
0
votes
1answer
187 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
vote
1answer
126 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 (£7....
7
votes
2answers
314 views

Estimate Item Delivery from Throughput plus blockers

We are combining all of our projects into one Kanban board. Since we are only ever one team, it seems to make the most sense to combine everything to one board and prioritize as we can all only work ...
-2
votes
1answer
108 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
770 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 ...
1
vote
1answer
75 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. ...
3
votes
3answers
572 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
votes
3answers
775 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
votes
2answers
215 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; ...
4
votes
1answer
136 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
votes
2answers
568 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 ...
4
votes
4answers
2k views

Calculating project forecasts in Jira

As a Scrum Master, I want to help my Product Owner to make an educated guess of when features in a project will be implemented, in order to communicate with stakeholders so that they can manage Scope. ...
5
votes
4answers
756 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 ...
0
votes
1answer
110 views

My Project Milestones Do not Represent My Current Tasks. What should I do to track my project?

I am involved in a project for my summer internship. Prior to the start of the internship, I have set several milestones to help me track the progress made toward reaching the goals of the project. ...
1
vote
3answers
3k views

How to estimate times during Sprint Planning?

I have 6 user stories for a sprint of 14 days. I have the detailed description in the stories for what the team needs to develop, and the team is new to scrum. (this would be their 2nd sprint). The ...
2
votes
3answers
210 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 ...

1 2
3
4 5
8