The ESRI Guide to GIS Analysis, Volume 2: Spatial Measurements and Statistics
Andy Mitchell is a technical writer with more than 20 years experience in GIS. He is the author of ""The ESRI Guide to GIS Analysis, Volume 1: Geographic Patterns and Relationships"" and ""Zeroing In"" and the coauthor of ""Getting Started with ArcGIS,"" He lives in Santa Barbara, California.