Description Usage Arguments Value Author(s) Examples
Perform k-medoids clustering on a data matrix. After initialization the k-medoids algorithm partitions data by testing which data member of a cluster Ci may make a better candidate as medoid (centroid) by reducing the sum of distance (usually taxi), then running a reclustering step with updated medoids.
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data |
Data file name on disk or In memory data matrix |
centers |
The number of centers (i.e., k) |
nrow |
The number of samples in the dataset |
ncol |
The number of features in the dataset |
iter.max |
The maximum number of iteration of k-means to perform |
nthread |
The number of parallel threads to run |
init |
The type of initialization to use c("forgy") |
tolerance |
The convergence tolerance |
dist.type |
What dissimilarity metric to use |
A list containing the attributes of the output of kmedoids. cluster: A vector of integers (from 1:k) indicating the cluster to which each point is allocated. centers: A matrix of cluster centres. size: The number of points in each cluster. iter: The number of (outer) iterations.
Disa Mhembere <disa@cs.jhu.edu>
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