Calculation of Schedule Performance Index (CPI)
The Schedule Performance Index can be computed by dividing earned and planned values.
SPI = EV / PV
Where,
Earned Value (EV): Earned Value is the amount
of the task that is actually completed.
Planned Value (PV): Planned Completion * Task Budget
Schedule Performance Index (SPI) – Software Engineering
Schedule Performance Index (SPI) describes how efficiently we are progressing compared to the planned project schedule. The Schedule Performance Index (SPI) can be defined as a measure of schedule efficiency expressed as the ratio of earned value to planned value. The Schedule Performance Index gives information about the schedule performance of the project. It is the efficiency of the time utilized on the project.
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