Found the following significant warnings:
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/alabama.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/alaska.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/arizona.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/arkansas.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/california.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/colorado.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/connecticut.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/delaware.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/district_of_columbia.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/florida.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/georgia.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/hawaii.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/idaho.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/illinois.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/indiana.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/iowa.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/kansas.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/kentucky.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/louisiana.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/maine.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/maryland.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/massachusetts.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/michigan.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/minnesota.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/mississippi.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/missouri.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/montana.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/nebraska.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/nevada.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/new_hampshire.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/new_jersey.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/new_mexico.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/new_york.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/north_carolina.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/north_dakota.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/ohio.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/oklahoma.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/oregon.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/pennsylvania.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/rhode_island.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/south_carolina.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/south_dakota.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/tennessee.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/texas.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/utah.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/vermont.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/virginia.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/washington.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/west_virginia.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/wisconsin.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmphu9MsT/R.INSTALL21fa67d7c88f/UScensus2000tract/man/wyoming.tract.Rd:9: file link ‘SpatialPolygonsDataFrame’ in package ‘sp’ does not exist and so has been treated as a topic
See ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/UScensus2000tract.Rcheck/00install.out’ for details.