To-Complete Performance Index with Schedule Performance (TCPI-S) represents the efficiency required to achieve the project objectives based on schedule performance analysis. It measures the ratio of the remaining work value to the remaining budget, considering the schedule performance indicators. TCPI-S helps in assessing the efficiency needed to meet the project objectives using schedule-based indicators.
Calculation: TCPI-S = (BAC - EV) / (BAC - AC)
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