Earned Schedule Training
Earned Schedule Training
Earned Schedule Training
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<strong>Earned</strong> <strong>Schedule</strong> Terminology<br />
Metrics<br />
<strong>Earned</strong> <strong>Schedule</strong><br />
ES cum<br />
ES = C + I number of complete<br />
periods (C) plus an incomplete<br />
portion (I)<br />
Actual Time<br />
AT cum<br />
AT = number of periods executed<br />
<strong>Schedule</strong> Variance<br />
SV(t)<br />
SV(t) = ES - AT<br />
Indicators<br />
<strong>Schedule</strong> Performance<br />
Index<br />
SPI(t)<br />
SPI(t) = ES / AT<br />
To Complete <strong>Schedule</strong><br />
TSPI(t)<br />
TSPI(t) = (PD – ES) / (PD – AT)<br />
Performance Index<br />
TSPI(t) = (PD – ES) / (ED – AT)<br />
Predictors<br />
Independent Estimate<br />
IEAC(t)<br />
IEAC(t) = PD / SPI(t)<br />
at Completion (time)<br />
IEAC(t) = AT + (PD – ES) / PF(t)<br />
EVA-11<br />
Jun 12-17, 17, 2006<br />
Copyright 2006<br />
Lipke & Henderson 24
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