Fig. 9.1.7 Freezing data to ensure consistent results.

The Sandbox

Heuristic processing is often done in what is called the “sandbox.” The sandbox is an
environment where the analyst has the opportunity to go and “play” with data. The
analyst can look at data one way one day and another way another day. The analyst is
not restricted in what kind of processing or in terms of how much processing can be done.

The reason why there is a need for a sandbox is that in standard corporate processing,
there is a need for tight control of processing. One reason for the need for tight control of

Chapter 9.1: Repetitive Analytics: Some Basics