#### Overview of this book

IBM Cognos TM1 is enterprise planning software that provides a complete, dynamic environment for developing timely, reliable and personalized forecasts and budgets. It is a real time, in memory tool that helps any sized business perform planning, budgeting and forecasting as well as other financial exercises. This book prepares you to master COG-310 certification using an example-driven method that is easy to understand. The IBM Cognos TM1 Developer's Certification guide provides key technical details and background to clear the current IBM Cognos TM1 Developer (test COG-310) certification exam. This certification book covers all the modules of the certification clearly and in depth. The initial chapters cover in detail the components that make up Cognos TM1 and designing and creating dimensions and cubes. The book then dives deep into basic and advanced scripting using TurboIntegrator and then we learn to understand and write basic Rules. We then learn about the drill-through functionality of TM1, virtual and lookup cubes and lastly Time, and presenting and reporting data
IBM Cognos TM1 Developer's Certification Guide
Credits
www.PacktPub.com
Preface
Free Chapter
The Components of TM1
Dimensions and Cubes
TurboIntegrator (TI)
Rules
Drill-through
Virtual and Lookup Cubes
Time Considerations
Data Presentation and Reporting

## Chapter 4. Rules

In this chapter, we will review the information pertaining to Cognos TM1 Rules. It is important to understand these when taking the current IBM Cognos TM1 Developer (Test COG-310) certification exam, including the advantages of using Rules versus TurboIntegrator basic rule construction fundamentals.

The current certification exam assigns a weightage of 25 percent to the Rules topic.

## Rules

One of the powers of TM1 is its native ability to quickly consolidate values defined within a dimension. Cognos TM1 Rules provides an even more powerful and flexible method to compute values within a cube. In many applications, you also need to perform calculations which do not involve aggregation, such as generating cost allocations and calculating exchange rates. You can use Cognos TM1 Rules to perform such calculations.

Additionally, rules can be written to work across dimensions and access data in other cubes.

Using TM1 Rules, you can:﻿

• Perform multiplication of cells to calculate totals...