imported from
nyadjwts.dbf on the Waller &amp; Gotway (2004) chapter 9 website.</p>
<p>The version of the New York 8 counties geometries used in ASDAR and
included as a shapefile in spdep was converted from the original BNA
file using an external utility program to convert to MapInfo format and
converted on from there using GDAL 1.4.1 (the OGR BNA driver was not
then available; it entered OGR at 1.5.0, release at the end of 2007),
and contains invalid geometries. What was found in mid-2007 was that
included