CASE STUDIES IN BIOMETRY: Chapter 1.

Spatial Pattern Analysis to Detect Rare Disease Clusters

Lance A. Waller, Bruce W. Turnbull, Larry C. Clark, and Philip Nasca

The file ch1b.dat is the waste site file, and contains the 
following variables.  There are NO missing  values.

x: Real, x-coordinate of location of an inactive hazardous waste
site containing trichloroethylene (TCE).

y: Real, y-coordinate of location of an inactive hazardous waste
site containing trichloroethylene (TCE).

site: Integer, numerical label of waste site.
       Key:  Site  1:  Monarch Chemicals
             Site  2:  IBM Endicott
             Site  3:  Singer
             Site  4:  Nesco
             Site  5:  GE Auburn
             Site  6:  Solvent Savers
             Site  7:  Smith Corona
             Site  8:  Victory Plaza
             Site  9:  Hadco
             Site 10:  Morse Chain
             Site 11:  Groton


Note:  The authors give permission to use the  data freely for
noncommercial purposes.