group.clust {maptree}R Documentation

Observation Groups for a Hierarchical Cluster Tree

Description

Alternative to cutree that orders pruned groups from left to right in draw order.

Usage

  group.clust (cluster, k=NULL, h=NULL)

Arguments

cluster object of class hclust or twins.
k desired number of groups.
h height at which to prune for grouping.


At least one of k or h must be specified; k takes precedence if both are given.

Details

Normally used with map.groups. See example.

Value

Vector of pruned cluster membership

Author(s)

Denis White, white.denis@epa.gov

See Also

hclust, twins.object, cutree, map.groups

Examples

  data (oregon.bird.dist, oregon.grid)

  group <- group.clust (hclust (dist (oregon.bird.dist)), k=6)
  names(group) <- row.names(oregon.bird.dist)
  map.groups (oregon.grid, group)

[Package maptree version 1.4-5 Index]