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
