Top "Estimation" questions

Questions related to tips and techniques about software project estimations: development time, effort, team size, software size, execution time, run time resource usage.

estimating of testing effort as a percentage of development time

Does anyone use a rule of thumb basis to estimate the effort required for testing as a percentage of the …

testing estimation
How to estimate download time remaining (accurately)?

Sure you could divide the remaining file size by the current download speed, but if your download speed fluctuates (and …

algorithm download estimation
How do I assess the hash collision probability?

I'm developing a back-end application for a search system. The search system copies files to a temporary directory and gives …

language-agnostic md5 probability estimation
How to estimate SQL query timing?

I'm trying to get an rough (order-of-magnitude) estimate of how long time the following query could take: mysql> EXPLAIN …

mysql query-optimization timing estimation time-estimation
Noise Estimation / Noise Measurement in Image

I want to estimate the noise in an image. Let's assume the model of an Image + White Noise. Now I …

image-processing estimation noise
How to estimate a programming task if you have no experience in it

I am having a difficult time with management asking for estimates on programming tasks that are using third-party controls that …

estimation
Any rules of thumb for estimation of UAT effort - like for number of scripts as compared to the number of business requirements?

I'm attempting to estimate the number or testers required to test out a project. One method is to determine the …

testing resources estimation uat
Can someone explain the concept of an "instance-hour" as used by cloud computing providers?

I am looking at the pricing of various cloud computing platforms, particularly Amazon's EC2, and a lot of the quotes …

amazon-ec2 cloud estimation
Ratio of time spent on coding versus unit testing

What is a typical estimate for coding unit tests given an estimate for coding new functionality? Is this different for …

unit-testing estimation
Do you inflate your estimated project completion dates?

If so why? How much? I tend to inflate mine a little because I can be overly optimistic.

project-management project-planning estimation