Schedule Performance Index (SPI) is the ratio of work accomplished versus the work planned. The formula is SPI = BCWP/BCWS.
Schedule Variance, is the measured difference between the planned or scheduled activity duration and the actual activity duration. It is the difference between the Budgeted Cost of Work Performed (BCWP) and the Budgeted Cost of Work Scheduled(BCWS). The formula is SV = BCWP-BCWS. A positive SV indicates that a task is ahead of schedule and a negative SV shows that a task is behind schedule.
In MS project, Select the Gantt Tracking, then View -> Table -> Variance.
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1 Comments to “SPI and SV Components”
An up to date baseline is critical to make MS Project function appropriately for SPI and SV% calculations. If you have any challenges with SPI or earned valued in general with MS Project, select all of the tasks, and update the baseline. It should solve any issues (aside from being late!)
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Welcome to the Healthcare IT Project Management Blog of Elyse Nielsen. This is the place where I share the ideas I have learned, the things I’d like to remember, and my thoughts for a brighter future. Find out more.
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