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IBM® Cognos® TM1: The Official Guide by Christopher Ilacqua, Karsten Oehler, Jochen Gruenes

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6
CHAPTER
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Building Business Logic: Rules
This chapter is about the calculation methods of Cognos TM1. These methods are the heart of Cognos TM1. This chapter will go deep into the core of Cognos TM1 and give you a foundation for understanding how Cognos TM1 works.
In a Cognos TM1 solution, the business logic is defined by calculations. There are two kinds of calculations, which are treated differently by Cognos TM1. The calculation differs according to consolidation and rules calculation. Why are there two different calculations? It’s all about performance. Therefore you should know about the four performance factors of Cognos TM1, which are leveraged ...

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