Directions Magazine is pleased to welcome Eva Reid as a regular columnist. In her debut contribution, she examines how health data modeling—particularly through GIS and agent-based systems—will ...

Retail trade area analysis focuses on identifying the geographic zone from which a retail location attracts the majority of its customers. By examining how far consumers travel and which directions ...

The course is an introduction to the basic concepts and techniques of Geographic Information Systems (GIS). This course contains lectures and exercises in ArcGIS. The lectures introduce the basic ...

Most projects benefit from having a data model. This article gives an overview of the most common types. At its heart, data modeling is about understanding how data flows through a system. Just as a ...