Posts Tagged ‘Cognos BI Reporting’

IBM SPSS Modeler and Duplicate Data

Transactional datasets (especially those originating from databases) may contain duplicate records that must be removed before any modeling can begin.  There are simply two situations where duplicate records occur are: Datasets ARE erroneous (causing the same record to multiple times) Datasets ARE NOT erroneous (but records appear multiple times because information is collected different moments […]

IBM Cognos TM1 and a Relational Mind

      For a long time relational models have supported the ability to create virtual tables known as “views” to provide a mechanism that allows developers to customize how their users can logically view data stored in base tables. There is a similar concept in Cognos TM1 known as “virtual cubes”. A virtual cube […]