Introduction

Rationale and Trigger to Write This Book

The first impulse

In November 2005, shortly before I finished the full draft of my first book, Data Preparation for Analytics Using SAS, I was asked whether I wanted to contribute content and knowledge to the topic of data quality for analytics. At that time it was too late to include data quality into my first book. It also would not have been advisable to do so, as this important topic would have gone beyond the scope of the book on data preparation.

When Data Preparation for Analytics Using SAS was published in late 2006 I had already begun thinking about starting a new book on the topic of data quality. However, it wasn’t until 2008 that I started collecting ideas and opinions on the ...

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