Very true that SPI will always trend to 1 when the project is late, but this flaw in the measure will never cause the SPI to become greater than 1, which is what the original query is regarding.
Member for
21 years 8 months
Member for21 years8 months
Submitted by Rafael Davila on Tue, 2011-11-29 14:19
Are you referring to cost performance or schedule performance?
From the time of the development of Earned Value Management (EVM) indicators, it has been known that the schedule indicators are flawed and exhibit strange behavior over the finalthird of the project, when performance is poor.
Member for
16 years 7 monthsRafael, Very true that SPI
Rafael,
Very true that SPI will always trend to 1 when the project is late, but this flaw in the measure will never cause the SPI to become greater than 1, which is what the original query is regarding.
Member for
21 years 8 monthsAre you referring to cost
Are you referring to cost performance or schedule performance?
From the time of the development of Earned Value Management (EVM) indicators, it has been known that the schedule indicators are flawed and exhibit strange behavior over the finalthird of the project, when performance is poor.
http://www.earnedschedule.com/Docs/Schedule%20is%20Different.pdf
Best regards,
Rafael
Member for
16 years 7 monthsIf you've done more work than
If you've done more work than you planned to do in your baseline, your SPI will be >1.