The Art of Estimation

The Art of Estimation

Two Truths About Estimation
The first truth about large software projects is that it’s nearly impossible to provide an accurate estimate at the outset. A modern web site is a collection of small systems interacting to form a much larger system — one that is often about as predictable as the weather, or the stock market. In scientific terms, an enterprise-scale Drupal website is “fundamentally complex,” and fundamentally complex systems tend to defy prediction.
The second truth about large software projects is that clients almost invariably require estimates, whether it’s a fixed bid or a “back of the envelope” guesstimate they can take to their superiors to get an Agile project the green light.

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