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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
169 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
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4answers
896 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, ...
4
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1answer
91 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
118 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 ...
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2answers
374 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 ...
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1answer
129 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 ...
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2answers
798 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 ...
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2answers
162 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 ...
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3answers
1k 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
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3answers
824 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 ...
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1answer
65 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 ...
2
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1answer
82 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 (£...
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2answers
219 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 ...
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1answer
88 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
336 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 ...
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1answer
70 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
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3answers
264 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 ...
5
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3answers
560 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
197 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
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1answer
121 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 ...
4
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2answers
372 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 ...
2
votes
2answers
489 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. ...
4
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4answers
536 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
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1answer
77 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. ...
0
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3answers
2k 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
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3answers
200 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 ...
0
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1answer
147 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 ...
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4answers
876 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 ...
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3answers
99 views

Estimate depending work items in Scrum

Scenario: Let's say there are two items A and B in the product backlog of a Scrum team. From a PO point of view B has more customer value than A and is therefore ranked higher. When asking a developer ...
2
votes
3answers
148 views

How to estimate number of resources when I have my timelines fixed, but work effort is more

My total work estimate is 1056 man days Release Start time: May 10 Release End time: October 10 total Work days available: 101 1056 / 101 = 11 resource Approx. Is this correct calculation? If not ...
1
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1answer
839 views

When are Story Points and priority estimated in the planning phase of agile?

In our agile requirements gathering sessions (not sure of the technical name sorry), where we engage with the product owner to list all stories that are required for the implementation, we typically ...
6
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5answers
5k 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 ...
13
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4answers
2k views

Should velocity increase with time?

Some scrum masters are concerned with "bumping up" a team's velocity during a sprint, as if a higher velocity is better. But points are a relative measure of the work that a team needs to do for ...
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4answers
3k views

How to measure percentage complete on an Agile project?

What do you do when management asks for a percentage complete on an Agile project?
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1answer
115 views

Can you use story points to measure growth?

We recently started using story points in our agile process, which is awesome. Because of this we are getting estimates for certain tasks and getting an idea of our velocity. However, I am curious ...
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vote
3answers
657 views

Estimating the project time and cost while preparing the proposal of a project

I'm working in a medium sized company as a CTO, the business side in the company is sending an average of 5 proposals/day to be estimated in terms of working hours and cost for each proposal. In that ...
2
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1answer
767 views

Can machine learning be used for capacity planning?

As a team, we currently use a simple mathematical model for planning the size of future releases (in story points). I am looking to overhaul this at the moment so that it more accurately reflects what ...
6
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4answers
242 views

What needs to be in place to get a Software project estimate within 10%

Often we hear people wanting estimates to be within 10% even if the dev team has not been hired yet and you have no idea about their productivity. This results in techniques such as fat and burn (add ...
3
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4answers
432 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 ...
4
votes
4answers
1k 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 ...
2
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3answers
130 views

Present a document with estimations of duration of work and risks

Two months ago, I joined a software development company. They have just assigned me my first big task that consist in overhauling all the front end of one of our Rails apps. The project is still in ...
8
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3answers
7k 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/...
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2answers
661 views

Android App Development: Effort Estimation tools [closed]

The intention is to determine raw estimates effort in man hours for the development of Android app, based on basic Screen UI/Wireframes. For example: Design team provided 10-screens. Based on the ...
2
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4answers
162 views

Team consistently over commits

I'm a developer on a small-ish team. 1 DBA, 2 Senior Devs, 2 Juniors, and 1 QA (sometimes, most of the time we do our own QA). No PM at the moment. We do mostly maintenance/upgrades to a large legacy ...
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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. ...
2
votes
1answer
84 views

Gantt charts with ranged estimates?

I'd like to create Gantt charts with ranged estimates (for reporting to non-technical execs) but don't want to use a web service (LiquidPlanner). How can I get Gantt charts with range estimates?
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3answers
183 views

Does anyone estimate stories per discipline in a single story?

SITUATION: Understand which disciplines are more burdened than others on cross-discipline teams. POSSIBLE OPTION: When estimating a story, provide a story point estimate for each of the different ...
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2answers
306 views

Who should attend Sprint Replanning?

It is clear that in Sprint Planning the Product Owner has to be present. However, since the Development Team is responsible for current sprint work, does the PO need to attend Replanning? Although the ...
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7answers
719 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 ...
10
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3answers
556 views

Relevant metrics for issue closure estimation

What metrics can influence or help with such an estimation? I am mostly interested in applying such metrics on GitHub projects, using their issues history. Based on how fast they solved their ...