Effort Variance:
Effort Variance can be calculated as {(Actual Efforts-Estimated Efforts) / Estimated Efforts} *100.
Schedule Variance:
Just like above formula it is similarly calculated as.
{(Actual Duration - Estimated Duration)/Estimated Duration} *100
Schedule Slippage:
When a task has been delayed from its original baseline schedule then the amount of time that it has taken is defined as schedule slippage. Its calculation is as simple as.
(Actual End date - Estimated End date) / (Planned End Date – Planned Start Date) * 100
The GOAL should be to have all of them as ZERO.
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Nice and simple explanation...
ReplyDeleteAgree with comments.
ReplyDeleteViki,
ReplyDeleteCould you please let me know the formula for Schedule adherance if we have estimated start & end date, actual start & end date
Number of hours worked as a percentage of number of hours scheduled to work after deducting lunch and breaks.
DeleteHow to avoid holidays in scheduled slippage
ReplyDelete