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Distances
Question
ID
25
Category
Qlucore Omics Explorer
  Analysis
Date Created
2009-05-12 17:32:33
Date Updated
2017-09-28 15:40:48
Which distance measure is used in the hierarchical clustering?
Answer
The hierarchical clustering is based on Euclidean distances. The distances are calculated on normalized data.

By selecting the normalization to be: mean = 0 and the variance = 1, the Euclidean distance is equal to sqrt(1-r), where r is the Pearson correlation coefficient.

Spearman correlation is not supported.
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