draw.clust               Graph a Hierarchical Cluster Tree
draw.tree                Graph a Classification or Regression Tree
group.clust              Observation Groups for a Hierarchical Cluster
                         Tree
group.tree               Observation Groups for Classification or
                         Regression Tree
hex.env                  Environmental Variables for Oregon, USA
hex.spp                  Presence/Absence of Bird Species in Oregon, USA
map.groups               Map Groups of Observations
map.key                  Draw Key to accompany Map of Groups
ngon                     Outline or Fill a Regular Polygon
oregon                   Boundary of Oregon, USA
prune.clust              Prunes a Hierarchical Cluster Tree
spp.names                Names of Bird Species in Oregon, USA
