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Transcript of Version 11.0 IBM Cognos Analytics · PDF fileChapter 1. Data modeling in Cognos Analytics ......

  • IBM Cognos AnalyticsVersion 11.0

    Data Modeling Guide

    IBM

  • Product Information

    This document applies to IBM Cognos Analytics version 11.0.0 and may also apply to subsequent releases.

    Copyright

    Licensed Materials - Property of IBM Copyright IBM Corp. 2015, 2018.

    US Government Users Restricted Rights Use, duplication or disclosure restricted by GSA ADP Schedule Contract withIBM Corp.

    IBM, the IBM logo and ibm.com are trademarks or registered trademarks of International Business Machines Corp.,registered in many jurisdictions worldwide. Other product and service names might be trademarks of IBM or othercompanies. A current list of IBM trademarks is available on the Web at " Copyright and trademark information " atwww.ibm.com/legal/copytrade.shtml. Copyright International Business Machines Corporation 2015, 2016.US Government Users Restricted Rights Use, duplication or disclosure restricted by GSA ADP Schedule Contract withIBM Corp.

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  • Contents

    Chapter 1. Data modeling in Cognos Analytics........................................................ 1

    Chapter 2. Creating a data module......................................................................... 3Using a data module source........................................................................................................................ 3Using a data server source...........................................................................................................................4Using an uploaded file source......................................................................................................................4Using a data set source................................................................................................................................5Using a package source............................................................................................................................... 5Creating a simple data module....................................................................................................................5Relinking sources......................................................................................................................................... 6

    Chapter 3. Refining a data module .........................................................................9Relationships............................................................................................................................................. 10

    Creating a relationship from scratch....................................................................................................10Calculations................................................................................................................................................11

    Creating basic calculations.................................................................................................................. 11Grouping data ...................................................................................................................................... 12Cleaning data........................................................................................................................................13Creating custom calculations...............................................................................................................14

    Creating navigation paths.......................................................................................................................... 15Filtering data.............................................................................................................................................. 16Hiding tables and columns........................................................................................................................ 17Validating data modules............................................................................................................................ 17Table and column properties.....................................................................................................................18

    Appendix A. Using the expression editor.............................................................. 21Operators................................................................................................................................................... 21

    (............................................................................................................................................................. 21)............................................................................................................................................................. 21*.............................................................................................................................................................21/.............................................................................................................................................................21||............................................................................................................................................................ 21+............................................................................................................................................................ 22-.............................................................................................................................................................22=..........................................................................................................................................................23and........................................................................................................................................................ 23between................................................................................................................................................ 23case.......................................................................................................................................................23contains................................................................................................................................................ 24distinct.................................................................................................................................................. 24else....................................................................................................................................................... 24end........................................................................................................................................................ 24ends with.............................................................................................................................................. 24if............................................................................................................................................................ 24in........................................................................................................................................................... 25

    iii

  • is missing.............................................................................................................................................. 25like.........................................................................................................................................................25lookup................................................................................................................................................... 25not.........................................................................................................................................................26or...........................................................................................................................................................26starts with.............................................................................................................................................26then.......................................................................................................................................................26when..................................................................................................................................................... 26

    Summaries................................................................................................................................................. 26Statistical functions..............................................................................................................................26average................................................................................................................................................. 27count..................................................................................................................................................... 27maximum..............................................................................................................................................28median.................................................................................................................................................. 28minimum...............................................................................................................................................28percentage............................................................................................................................................28percentile...........................................................