Estimation

From Bvio.com

Estimation is an approximate calculation of a result, often based on approximate input(s). Let's says you get 80% of the result by 20% input and efforst.

For an account of statistical estimation, see estimator.

The ability to accurractly estimate the time/cost taken for a project to come to its successful conclusion has been a serious problem for software engineers.

The use of repeatable, clearly defined and well understood software development process has in recent years shown itself to be the most effective method of gaining useful historical data that can be used for statistical estimation.

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