Description Usage Format Source See Also Examples
County-level (n=67) population/case data for lung cancer in Pennsylvania in 2002, stratified on race (white vs non-white), gender and age (Under 40, 40-59, 60-69 and 70+). Additionally, county-specific smoking rates.
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List of 3 items:
| geo | a table of county IDs, longitude/latitude of the geographic centroid of each county | 
| data | a table of county IDs, number of cases, population and strata information | 
| smoking | a table of county IDs and proportion of smokers | 
| spatial.polygon | an object of class SpatialPolygons (See SpatialPolygons-class) | 
Population data was obtained from the 2000 decennial census, lung cancer and smoking data were obtained from the Pennsylvania Department of Health website: http://www.dsf.health.state.pa.us/
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