Jackknife analysis

Question: 

Why do groups need to be defined and a dendrogram to be calculated prior to Jackknife analysis?

Answer: 

A cluster analysis prior to Jackknife analysis is actually not required for the dendrogram, but for the similarity matrix, which needs to be present as the input for Jackknife. The Jackknife method does not take the clusters shown in the dendrogram into account, but instead uses the groups defined by the user. Only if the user-defined groups correspond to dendrogram clusters, the Jackknife will be a test for the significance of groups proposed by the dendrogram.

Package(s):

Applicable for: 
Version 1.0 - 7.6

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