Tuesday, January 20, 2015

What is the different in the Earned Value calculation options for Estimate to Complete (ETC)?

ETC = remaining cost for activity: Choose to calculate Estimate to Complete (ETC) values as the remaining cost to complete an activity (ETC = remaining duration of activity * applicable resource rates).

ETC = PF * (Budget at Completion – Earned Value Cost), where

PF = 1: Choose to calculate Estimate To Complete (ETC) values as a Performance Factor (PF) of 1 multiplied by Budget At Completion (BAC) less Earned Value Cost.

PF = 1/Cost Performance Index: Choose to calculate Estimate To Complete (ETC) values as a Performance Factor (PF) of 1 divided by the Cost Performance Index (CPI).

PF = 1/ (Cost Performance Index * Schedule Performance Index): Choose to calculate Estimate To Complete (ETC) values as a Performance Factor (PF) of 1 divided by the product of the Cost Performance Index (CPI) and Schedule Performance Index (SPI).

PF =: Choose to calculate Estimate To Complete (ETC) values as a Performance Factor (PF) you specify multiplied by Budget At Completion (BAC) less Earned Value Cost. If you choose this option, type a factor in the PF field.

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