tr99_data: Census Tract data table is used by the satscanMapper package...

tr99_dataR Documentation

Census Tract data table is used by the satscanMapper package to process census tract level location IDs for the census years 2000 and 2010.

Description

Contains the census tract information for census years 2000 and 2010 to assist in the validation of the census tract level location IDs in user data and the generation of the text reports by the package on the SatScan (TM) cluster results.

Usage

data(tr99_data)

Format

The information contained in the tr99_data data.frame is:

row.names

- character - 11 digit State/County/Census Tract FIPS code.

stcoID

- character - 5 digit state/county FIPS code containing the census tract.

plKey

- character - a placename key associated with the census tract. The key contains the state/county 5 digit fips code and the placename.

c_X_00 and c_Y_00

- integers - the X/Y cartesian coordinates of the center of the census tract based on an equal area projection in meters for the census year of 2000.

c_X_10 and c_Y_10

- integers - the X/Y cartesian coordinates of the center of the census tract based on an equal area projection in meters for the census year of 2010.

y

- integer - a bit string identifying the census years the census tract existed. If the value is 1 or 3, the tract existed in the 2000 census. If the value is 2 or 3, the tract existed in the 2010 census.

/br The tr99 data contain the information for all census tracts. /br The place names in the tr99_data structure are derived from the HUD.gov Census Tract to ZipCode crossover tables and the USPS.gov zip code database for the 2000 and 2010 census. Additional place name information was provided by NCI as a supplement.

Source

CENSUS.GOV web site (boundary data), HUD.gov Census Tract to ZipCode crossover table, USPS Zip code database (1999), and R MAPS package (state and county names) for the U. S. 2000 Census.


satscanMapper documentation built on Aug. 25, 2022, 9:09 a.m.