group.tree {maptree} | R Documentation |
Alternative to tree[["where"]]
that orders groups from left
to right in draw order, and adds group membership of
observations to pts matrix if provided.
group.tree (tree, pts=NULL)
tree |
object of class "tree" . |
pts |
vector, matrix, or data frame of length or nrow equal to
length(tree[["where"]]) to which group vector
is joined with cbind. |
Normally used with map.groups
. See example.
Vector of rearranged tree[["where"]]
or the cbind of pts and
this vector if pts != NULL.
Denis White, white.denis@epa.gov
library (tree) data (hex.env, oregon) map.groups (group.tree (prune.tree (tree (hex.env), best=6), pts=hex.env), lns=oregon)