Extracts groups
Extracts the detected groups from objects of pdfCluster-class.
groups(obj, stage = length(obj@stages))
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 |
This function is an user-friendly version of command obj@clusters, now obsolete, to ease
extraction of groups from objects of pdfCluster-class.
A numeric vector containing the group labels. NA values are associated to points not classified at the selected stage of the classification procedure.
# 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)
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