The output of the kmeans clustering function produces a vector of cluster membership. The
cluster.cor functions require a matrix of keys. cluster2keys does this.
May also be used to take the output of an
ICLUST analysis and find a keys matrix. (By doing a call to the
A vector of cluster assignments or an object of class “kmeans" that contains a vector of clusters.
Note that because kmeans will not reverse score items, the clusters defined by kmeans will not necessarily match those of ICLUST with the same number of clusters extracted.
A matrix of keys suitable for score.items or cluster.cor
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