Questions tagged [estimation]

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

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17
votes
4answers
4k 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 ...
5
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4answers
6k 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?
3
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1answer
132 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 ...
1
vote
3answers
937 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
votes
1answer
851 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
votes
4answers
270 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 ...
4
votes
4answers
831 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 ...
7
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5answers
4k 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
votes
3answers
147 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 ...
9
votes
3answers
10k 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/...
-1
votes
2answers
879 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
votes
4answers
218 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 ...
7
votes
7answers
2k 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
108 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?
1
vote
3answers
539 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 ...
0
votes
2answers
650 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 ...
8
votes
7answers
1k 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
votes
3answers
594 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 ...
6
votes
2answers
617 views

Who pays when actuals exceed pessimistic estimates?

Scenario: A Developer estimates between 70 to 100 hours for a task. Due to the urgency of the task and the developer's unavailability, a far less experienced developer is assigned to the project. The ...
1
vote
1answer
249 views

How do you cost for an agile ux project?

Hi I work for a small digital agency where we do a lot of ux work and therefore a lot of planning and research. The culture and approach to development projects we have moved to in recent years makes ...
2
votes
4answers
2k views

How do you measure time units in sprint velocity?

I am trying to get my head around "Story points" using the Scrum methodology. As a starting point, I have been following the following article: http://scrummethodology.com/scrum-effort-estimation-and-...
0
votes
1answer
439 views

How should we estimate accessibility testing for a waterfall project?

I am working with a lot of teams and there are different phases of testing. We have devised a standardized process for accessibility testing across many different teams. This process is to be done ...
8
votes
4answers
2k views

Estimation given in days and need to plan in Agile

The client internally feels that this is about 500 developer days worth of work and there could potentially be 4 developers (or pairs of developers) that work in parallel. We need to go back to them ...
4
votes
2answers
146 views

Estimation of non-estimability project

We need to create some solution with a new technology, in which no member of my team has any experience. The higher management demends the tentative dates of the working solution. After a week of ...
33
votes
7answers
30k 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 ...
0
votes
1answer
12k 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
votes
5answers
92 views

Determining the best task average

What is the best way to determine a weighted average for the actual time spent on historical tasks. Let's say for example each project has a task A. And task A varies in time spent depending on ...
3
votes
4answers
339 views

How to estimate without relying on SMEs to estimate based on similar projects?

I create MS Project schedules for the government and recently moved to a new position on a staff where I am being asked to develop and control schedules for tasks that are rather vague, i.e. create a ...
15
votes
7answers
624 views

How can I make unit testing a priority?

As a one man band delivering smallish web development projects, I found that nearly all regression issues that clients find in the final development phase of the project could be found with unit tests ...
5
votes
2answers
1k views

What are Acceptable SLoC Rates?

This is not a question regarding the quality of the SLoC metric. I accept it as a limited, inaccurate, or even poor metric. That said, I am looking for data that indicates what reasonable rates ...
9
votes
6answers
1k views

Should we allocate separate hourly estimates for test tasks in addition to the development tasks

Breaking user stories into tasks and estimating their development time in hours is pretty widely accepted. However, we have subsequent test activities that need to be carried out before the task and ...
5
votes
3answers
261 views

reestimating story size after moving back to product backlog

Let's assume that part of the story (worth say 8 points) was done in the sprint 1. Then, after implementing part of it we are discovering that in fact it is much bigger than originally estimated. ...
1
vote
2answers
855 views

How to estimate story points if team members work on different applications

Our team consists of 4 full-time developers and occasional outside help. The developers maintain several different applications and do not all share the same skill set. I understand that scrum teams ...
7
votes
2answers
342 views

Sprint story point from PM perspective

As a project manager, I am interested in the effort (estimated and actual). While Sprint based estimation is story point based, how can I translate them to effort so that I can track and report them. ...
12
votes
6answers
3k 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 ...
2
votes
2answers
739 views

Function Point value, which is better

Based on FP table here: http://www.qsm.com/resources/function-point-languages-table Here are average FP value for 3 different languages Java --> 53 J2EE --> 46 .Net --> 57 As I understand the FP ...
22
votes
6answers
4k views

In scrum should incomplete stories be re-estimated or does the original estimate get burned down when it's finally completed?

If I have a story that's been estimated at 10 story points and we don't manage to complete it in a sprint how do you handle estimates for the sprint in which it's next included (assuming it gets ...
9
votes
2answers
592 views

Time estimation and deadlines

I started working in my current job as an Android developer right after graduation (1.5 months ago), my first task was to build a complaint application which includes the following features: ...
5
votes
6answers
674 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 ...
27
votes
7answers
7k views

Why use both story points and hours?

I'm a new scrum master for a team that is using story point estimation and hours. We do story points first during grooming and then hours during planning. I always thought of story points as being ...
6
votes
6answers
645 views

How can we mitigate uncertainty about project estimation in the initial phase?

According to Boehm’s Software Engineering Economics, during the project initiation, estimates can be off by as much as 400%. However, in order to make the sale, account managers are expected to make ...
1
vote
3answers
107 views

How to estimate a project without understanding the network path?

I am trying to estimate for a project, with each resource work for some hours and i have total hours for project. How can derive the exact completion date ? Eg. Resource 1 - 25 tasks - 240 hrs ...
3
votes
3answers
2k 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 ...
9
votes
4answers
849 views

Sizing a potential project rapidly without formal estimation

We have been asked by management to spend a very short period of time to "size" a software project - that is, to give them a very loose ballpark of time to implement the entire thing. There are three ...
18
votes
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 ...
7
votes
1answer
558 views

Techniques to calculate the cost of change in software engineering

There is a bunch of techniques to do software estimation. Now given a piece of software, is there some methods/techniques to evaluate the cost of change of an already implemented requirement ?
5
votes
6answers
312 views

How to prevent deliberate long estimation?

There is a team and a PM. Unfortunately, the PM does not have very strong technical skills, therefore he has no basis for estimation of the time and costs which are required for each part of project. ...
15
votes
3answers
852 views

How to use Story Points, if User Stories are completely different?

Story Points (SP) is a good measurement, that allows estimating User Stories. SP (in my understanding, it's an important note) is convenient because it is relative and not related with time. All ...
1
vote
4answers
553 views

Should the complexity estimate of a task change in scrum?

I'll just start with an example. We have a repeating task "Release library" which in the beggining we agreed on an estimate of 2 points: it seemed to be twice as hard as our 1 point baseline. As we ...
3
votes
2answers
280 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 ...

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