search for: pearsonsimilar

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2013 Mar 28
2
hierarchical clustering with pearson's coefficient
...tute.org/efg/R/Visualization/cor-cluster/ where they use pearson's correlation for hierarchical clustering. Any idea if anything is violated in case pearson's correlation is used with Ward's linkage function? the dissimilarity of pearson's correlation can be defined as d = sqrt(1-pearsonsimilarity^2). can that be considered as norm1 distance? and thus norm2 if we square it? so that the wikipedia's statement "To apply a recursive algorithm under this objective function, the initial distance between individual objects must be (proportional to) squared Euclidean distance." is v...