A Stab in the Dark
In any company, on any project, at any point in time, software timescale estimates are nothing more than educated guesses—or else they wouldn’t be estimates. Guesswork doesn’t sound very professional, does it? But it’s the best you can do: You’ll never know exactly how long a task will take until it’s complete, when it’s generally too late for the information to be useful.[1]
The quality of an estimate is primarily determined by how well you understand the task being estimated. That is, how well you really understand it, not how well you think you do. It also depends on how much time you have to create the estimate, and therefore how much effort you can put into a realistic design effort or feasibility review. With a very precise ...
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