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Data Resource Understanding by Michael Brackett

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Chapter 11 DERIVED DATA

Derived data must be documented so they can be understood.

The data understanding process continues with the Derived Data Function that consists of documenting the data that have been renormalized for the analytical processing of evaluational data, derived data hierarchies resulting from operational processing and from analytical processing, and derived spatial data subjects.

DERIVED DATA OVERVIEW

The data subject-relation diagram for derived data is shown in Figure 11.1.  Data Subject and Data Characteristic are shown vertically in the center of the diagram.  The two data subjects on the left pertain to the contributors to a derived data subject and the assignment of foreign data characteristics to a derived data subject.  The ...

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