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IBM Cognos TM1 Developer's Certification Guide by James D. Miller

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Chapter 8. Time Considerations

In this chapter, we will learn the importance and use of the time dimension in Cognos TM1 in regards to the current IBM Cognos TM1 Developer (Test COG-310) certification exam.

The current certification exam assigns a weightage of 3 percent to this topic.

The importance of time

Cognos TM1 applications are most often used to view, compare, and predict information over time. For the most part, information in TM1 will be:

  • Trended over time
  • Compared between different time periods
  • Forecasted for future time periods

To support these requirements, most TM1 cubes will have time added as one (or more) dimension. Of all the considerations for deciding what dimensions should make up a TM1 cube, time is one of the (if not the most) ...

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