Questions tagged [estimation]

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

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4answers
449 views

We work with fixed scope, price and time - why should we use Story points?

We deliver projects in fixed price, fixed time and fixed scope environment. We have a contract that specify those, specifications of features. Recently, an agile couch was trying to convince me to ...
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3answers
205 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 ...
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2answers
233 views

What's a good way for a Scrum team to handle budgets and work with other departments?

In my organization, the developers are using Scrum (which started recently), but the sysadmins are not. We're about to start a large project, and we've been asked for detailed description of our ...
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3answers
4k views

Making a budget and time plan for a software project

Let's assume that we are starting a project, but have no previous experience of budgeting a software project. What should the guys who will work on that project do to make a decent budget planing? ...
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2answers
348 views

What is an “e zero” estimate

I am often asked to provide an "e zero" estimate for a piece of work. I have been assuming up to now that it means "rough estimate". Does anyone have any link to what this means specifically. I ...
2
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2answers
739 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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3answers
145 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 ...
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4answers
343 views

Best reply to project manager's failed humour [closed]

Whenever a manager ask us to perform a task, we often ask "when do you need this by?" Some managers try to be smart and often say: "yesterday". What would be the best comeback response?
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3answers
734 views

What's the best way of writing user stories about “improve this metric” if I'm not sure how much improvement is possible?

Say you have a piece of software that you know can be improved on various quantifiable metrics (time to boot, CPU and memory usage, latency for various actions, accuracy of recognition tasks, etc.), ...
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4answers
558 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 ...
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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, ...
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5answers
426 views

Calculating time needed for finishing project from scratch [closed]

I want to calculate or estimate time needed to code a particular project. This may include time spent doing analysis, actually coding etc. I find it difficult to make a good estimate. Can someone help ...
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2answers
2k views

The meaning of & Calculating Project Budget

I'm very new to the whole Project Management world, so this question may be at the beginners level, anywho: What is the Budget Cost compared to the full Cost of the Project?, based on the research I ...
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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 ...
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5answers
315 views

How to plan projects that are not able to be planned?

Some projects are not able to be planned, because they depend on innovation not yet available. As an example; the race to the moon. Kennedy said they would bring man to the moon, but at that moment in ...
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3answers
79 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 ...
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2answers
178 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 ...
2
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3answers
107 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 ...
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2answers
258 views

Quickly explain how to make estimation work to an external business stakeholder

Scenario: need to quickly explain how the estimation will work to an external business stakeholder; can't take more than few minutes really. The project area is web development. P.S. There's no point ...
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2answers
408 views

Does Brooks Law hold for other fields as much as software development?

Brooks Law basically states that adding people to an already late software project makes it later. But does it hold for other fields as well? I'd imagine in a construction project it would probably be ...
2
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3answers
218 views

Task estimation and probable risks

Let's suppose we are estimating a task (not by the planning poker). We have discovered that there are a few possible problems (risks): Risk 1 - with the probability p1, ..., risk N - with the ...
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4answers
113 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
128 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?
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6answers
1k views

As a project manager how worthwhile is it to have 50/50 estimates of certain metrics?

I was reading Steve Tockey's book Return on Software and he mentioned it's quite beneficial to have such estimates. Let's say I have an oracle that spews out 50/50 estimates of cost/schedule/budget/...
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3answers
166 views

When is user stories estimation supposed to take place?

I would like to know when the estimates are supposed to be produced. Last time I was part of a Scrum team, I think we were providing initial estimates (that would then be quickly reviewed and ...
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2answers
48 views

When choosing the largest and smallest stories in a backlog for estimation how does it impact each sprint?

An article I came across suggested that we should pick the largest and smallest story in the prioritised backlog and relatively estimate the remaining stories. This makes sense. However, I was ...
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1answer
194 views

How can I calculate how many developers do I need and how long it takes to complete the project? [closed]

I am trying to create an LMS system using Angular and NativeScript. It's a LMS web application like Adobe connect (although a simplified version) that will be written in Angular 8 for example, and a ...
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2answers
1k 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 ...
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2answers
865 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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3answers
257 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 ...
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5answers
82 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 ...
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2answers
713 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 ...
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4answers
690 views

Estimation and testing in project management

I'm currently writing a paper regarding project management, and was wondering if anyone with experience could answer the following questions? What are the steps involved in creating a testing process?...
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2answers
109 views

How to estimate and plan with a distributed, part-time team?

The situation: We are a small, fully-distributed software solutions provider. We serve multiple clients, and given our size that means every team member is on multiple, part-time billable teams. ...
2
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1answer
94 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 ...
2
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1answer
176 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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1answer
69 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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1answer
842 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 ...
2
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1answer
95 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?
2
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1answer
153 views

help using ROI/NPV to justify a project that allows you to sell more

We want to get a project justified, using ROI and/or NPV, but it seems to be difficult: We are a company that sells products on our internet site, and now we want to implement a system that give ...
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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 ?
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4answers
261 views

Should I remove distraction time from developers' capacity time while giving time estimation?

I am about to give new estimations of a project delivery time, estimating iterations etc.. Besides development, developers spend much time on distractions. By distractions I mean everything(tea, ...
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3answers
379 views

How can I convince my team that they delays are inevitable and that they need to hustle in order to actuall get done on time?

Sometimes I have teams that think there is little point to being ahead of schedule. I try to convince them that things will inevitably come up that will take up precious time to sort out, so we need ...
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4answers
2k views

How can we transition to Agile estimation based on complexity or effort of user stories?

We have being practicing agile development methodologies for a long time as a development company. Most of the time our product owners tries to have a map between story points and time. As a example, ...
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3answers
84 views

Tracking progress of a team working on small tasks

Our software team works on small tasks. Each task takes about 2 weeks. There are developers whose performance is twice bigger than the other's (the level is the same). Everybody just writes how much ...
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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-...
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3answers
5k views

What is “Lead Time”?

I have a task within my project criteria which states: "Purchasing lead-time for the steelwork is estimated at 60-80 days". What does lead time mean? Do I have to make special considerations for this?...
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2answers
93 views

How should I handle project cost (in time) to a client without committing too much work?

currently we have a client that have a series of requirements (very broad and general) for an app. I as the PM was asked by my boss to estimate how much hours of work were required to make that app. ...
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4answers
191 views

Team added “Daily Scrum” as a task in Jira. How do I get rid of this?

So I am just joining a new team. This team is using "Daily Scrum" as a task because according to them it is a "task". Obviously I want to help them understand that it is not a task, just like ...
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4answers
4k views

Effort vs (Size, Productivity, Duration)

Well, this metric is causing some troubles in my head. As far as I understood, its magnitude is: man/hour. So for example, if in a project I put two employees working, the effort would be: 2 man/hour....

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