Variance At Completion

In project management, variance refers to the difference between the planned cost and the actual cost incurred, often prompting corrective actions. A broader explanation of Variance Analysis is available on Wikipedia and other sources.

At Time Now:

Ei = Initial Estimate (Planned or Estimated Budget)
A = Actuals = Actual amount incurred
Et-c = Estimate-to-Complete
Ea-c = Estimate-at-Completion = A + Et-c
Va-c = Variance-at-Completion = Ei  - Ea-c
At New Time (Time Now + T):
If the variance is high (too much error or discrepancy), then assign Ea-c as the new Ei. 

Hence,
Ei (new time) = Ea-c (time now) 

Variance At Completion

In project management, variance refers to the difference between the planned cost and the actual cost incurred, often prompting corrective a...

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