NYleukemia {RgoogleMaps} | R Documentation |
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 |
Source
http://www.sph.emory.edu/~lwaller/ch4index.htm
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")
}
[Package RgoogleMaps version 1.5.1 Index]