1\name{NYleukemia} 2\alias{NYleukemia} 3\docType{data} 4\title{Upstate New York Leukemia Data} 5\description{ 6Census tract level (\code{n=281}) leukemia data for the 8 counties in upstate New York from 1978-1982, paired with population data from the 1980 census. 7} 8\usage{data(NYleukemia)} 9\format{ 10List with 5 items: 11\tabular{ll}{ 12\code{geo} \tab table of the FIPS code, longitude, and latitude of the geographic centroid of each census tract \cr 13\code{data} \tab table of the FIPS code, number of cases, and population of each census tract \cr 14\code{spatial.polygon} \tab object of class SpatialPolygons (See \link[sp]{SpatialPolygons-class}) containing a map of the study region \cr 15\code{surrounded} \tab row IDs of the 4 census tracts that are completely surrounded by the \code{surrounding} census tracts \cr 16\code{surrounding} \tab row IDs of the 4 census tracts that completely surround the \code{surrounded} census tracts \cr 17} 18} 19 20\source{http://www.sph.emory.edu/~lwaller/ch4index.htm} 21\references{ 22Turnbull, B. W. et al (1990) 23Monitoring for clusters of disease: application to leukemia incidence in upstate New York \emph{American Journal of Epidemiology}, \bold{132}, 136--143 24} 25\examples{ 26if (0) { 27data(NYleukemia) 28 population <- NYleukemia$data$population 29 cases <- NYleukemia$data$cases 30 mapNY <- GetMap(center=c(lon=-76.00365, lat=42.67456), destfile = "NYstate.png", 31 maptype = "mobile", zoom=9) 32 ColorMap(100*cases/population, mapNY, NYleukemia$spatial.polygon, add = FALSE, 33 alpha = 0.35, log = TRUE, location = "topleft") 34 } 35} 36\keyword{datasets} 37