52. What metrics will help me estimate project activity durations and costs?
Project estimates are predictive metrics, and because they are forecasts about the future they tend to be somewhat imprecise. You can improve them substantially over time, however, by collecting actual measurements at the end of completed projects. These retrospective metrics provide feedback to improve your estimating processes, outlined in Problem 51, and to increase the confidence of those involved in estimating, discussed in Problem 50.
Assessing Actual Activity Performance
At the activity level, the status you collect throughout the project will either confirm the predictions in your plans or clearly show where you were in error. There are many metrics useful for ...
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