The Software Estimation Struggle

Software estimation research is … improving estimation techniques so that sophisticated organizations can achieve project results +-5% of estimate results… …the typical software organization is not struggling to improve its estimates from +-10% to +-5% accuracy. The typical software organization is struggling to avoid estimates that are incorrect by 100%

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Risk in software estimation

Plus-or-minus qualifiers. Use plus-or-minus style estimates to indicate both the amount and the direction of uncertainty in the estimate. Even when you have been forced into promising the software in an unrealistic time frame, you can let those around you know how risky the schedule is by presenting your estimates

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