This post excert is taken from the full article located here: http://mssprojectsanalytics.com/blog/bid/232494/Primavera-P6-Release-8-2-and-the-Index-Performance-Portlet
Primavera P6 R8.2 Dashboard Portlets
The Index Performance Portlet Overview
This post is going to outline how to use the Index Performance portlet on the P6 R8 dashboard. The Index Performance Portlet enables you to display Schedule Performance Index (SPI), Cost Performance Index (CPI), and To Complete Performance Index (TCPI) calculations.
Key Performance indicators assist you in gauging whether these index values are within an allowable range or whether you will must take corrective measures, due to the thresholds you determine. The Key Performance Indicators are essential for measuring the performance of your project and are one of the most important metrics used to gauge the status of a project.
Continue reading the full article here: http://mssprojectsanalytics.com/blog/bid/232494/Primavera-P6-Release-8-2-and-the-Index-Performance-Portlet