Keywords

#medoid

Medoid

Medoids are representative objects of a data set or a cluster within a data set whose sum of dissimilarities to all the objects in the cluster is minimal. Medoids are similar in concept to means or centroids, but medoids are always restricted to be members of the data set. Medoids are most commonly used on data when a mean or centroid cannot be defined, such as graphs. They are also used in contexts where the centroid is not representative of the dataset like in images, 3-D trajectories and gene expression. These are also of interest while wanting to find a representative using some distance other than squared euclidean distance.

Mon 26th

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K-medoids Medoid Silhouette (clustering) Hierarchical clustering K-medians clustering Clustering high-dimensional data K-means clustering Average Local search (optimization) Median
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