nysp | R Documentation |
SpatialPolygonsDataFrame
for New York
leukemia data.A SpatialPolygonsDataFrame
object containing New
York leukemia data. Methods for
SpatialPolygonsDataFrame
are provided by the
sp
package, which must be loaded to make full use
of this data format.
The number of incident leukemia cases from 1978-1982 per census tract for an 8-county region of upstate New York.
This is the same data as in nydf
in a different
format.
Note that the coordinates in the polygons have been
projected to a different coordinate system (UTM, zone 18)
compared to nydf
, but the order of the
regions/polygons is the same as in nydf
.
data(nysp)
A SpatialPolygonsDataFrame
with 281 rows
and 17 columns:
The name of the region.
Census tract id.
x-coordinate associated with the centroid of each region on the ORIGINAL scale.
y-coordinate associated with the centroid of each region on the ORIGINAL scale.
The population (1980 census) of the region.
The number of leukemia cases between 1978-1982, rounded to two decimal places.
The proportion of cases relative to population.
The percentage of homeowners in the tract.
The percentage of residents aged 65 or older.
A transformation of exposure to TCE, specifically log(1000(TCE + 1)/pop8).
Average inverse distance to the nearest TCE site.
The number of leukemia cases between 1978-1982.
A shifted version of x
.
A shifted version of y
.
x-coordinate associated with the centroid of each region.
y-coordinate associated with the centroid of each region.
Waller, L.A. and Gotway, C.A. (2005). Applied Spatial Statistics for Public Health Data. Hoboken, NJ: Wiley.
Bivand, R. S., Pebesma, E. J., Gomez-Rubio, V., and Pebesma, E. J. (2013). Applied Spatial Data Analysis with R, 2nd edition. New York: Springer.
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