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# scipy.cluster.hierarchy.single

`scipy.cluster.hierarchy.``single`(y)

  Performs single/min/nearest linkage on the condensed distance matrix `y`

  Parameters: | y : ndarray The upper triangular of the distance matrix. The result of `pdist` is returned in this form.
  Returns: | Z : ndarray The linkage matrix.

  See also

  `linkage`
    for advanced creation of hierarchical clusterings.
  `scipy.spatial.distance.pdist`
    pairwise distance metrics