groups {pdfCluster} | R Documentation |
Extracts groups
Description
Extracts the detected groups from objects of pdfCluster-class
.
Usage
groups(obj, stage = length(obj@stages))
Arguments
obj |
An object of |
stage |
The stage of classification at which the clusters have to be extracted. Set this value to 0
to extract the cluster cores. Default value is the total number of classification stages, that is,
the final partition is given. When |
Details
This function is an user-friendly version of command obj@clusters
, now obsolete, to ease
extraction of groups from objects of pdfCluster-class
.
Value
A numeric vector containing the group labels. NA values are associated to points not classified at the selected stage of the classification procedure.
See Also
Examples
# load data
data(wine)
# select a subset of variables
x <- wine[, c(2, 5, 8)]
#clustering
cl <- pdfCluster(x)
groups(cl)
#equivalent to:
cl@clusters
#to extract the cluster cores
groups(cl, stage = 0)
[Package pdfCluster version 1.0-4 Index]