EVM Index, also known as the Cost-Schedule Index (CSI), is a performance measurement index that integrates cost and schedule performance. It indicates the efficiency at which the project is being executed by comparing the earned value (EV) to the actual cost (AC). An EVM Index greater than 1 indicates favorable performance, while a value less than 1 suggests unfavorable performance. EVM Index helps in evaluating the overall project performance.
Calculation: EVM Index = EV / AC
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