RgoogleMaps (version 1.5.1)

NYleukemia: Upstate New York Leukemia Data

Description

Census tract level (n=281) leukemia data for the 8 counties in upstate New York from 1978-1982, paired with population data from the 1980 census.

Usage

data(NYleukemia)

Format

List with 5 items:

geo	table of the FIPS code, longitude, and latitude of the geographic centroid of each census tract
data	table of the FIPS code, number of cases, and population of each census tract
spatial.polygon	object of class SpatialPolygons (See SpatialPolygons-class) containing a map of the study region
surrounded	row IDs of the 4 census tracts that are completely surrounded by the surrounding census tracts
surrounding	row IDs of the 4 census tracts that completely surround the surrounded census tracts

References

Turnbull, B. W. et al (1990) Monitoring for clusters of disease: application to leukemia incidence in upstate New York American Journal of Epidemiology, 132, 136--143

Examples

if (0) {
data(NYleukemia)
  population <- NYleukemia$data$population
  cases <- NYleukemia$data$cases
  mapNY <- GetMap(center=c(lon=-76.00365, lat=42.67456), destfile = "NYstate.png",
  maptype = "mobile", zoom=9)
  ColorMap(100*cases/population, mapNY, NYleukemia$spatial.polygon, add = FALSE,
  alpha = 0.35, log = TRUE, location = "topleft")
 }