IBM SPSS Modeler Cookbook

Running a Statistics node on anti-join to evaluate the potential missing data

There is typically some data loss when various data tables are integrated. Although we won't discuss data integration until a later chapter, it is important to gauge what (and how much) is lost at this stage. Financial variables are usually aggregated in very different ways for the financial planner and the data miner. It is critical that the data miner periodically translate the data of the data miner back into the form that middle and senior management will recognize so that they can better communicate.

The data miner deals with transactions and individual customer data, the language of individual rows of data. The manager speaks, generally, the language of spreadsheets: ...