Using "Pearson correlation coefficient" in the 'Pdist' for the Clustergram function

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I am doing the Hierarchical cluster analysis. I constructed the dendrograms by the 'clustergram' using agglomerative average-linkage clustering. But I need to use 'pearson correlation coeffiecient' for the distance matric(the default distance matric is euclidean, there are other matric availdable as well), but I could not find the pearson correlation available in the 'PDist' function. Thanks for helping.


Scott Ronquist
Scott Ronquist 2020 年 11 月 2 日
The 'correlation' option for pdist uses the pearson correlation (documentation page here). So to use this metric to calculate the distance between columns in clustergram, you can call:
clustergram(..., "ColumnPDist", "correlation")
The same option is available for "RowPDist" as well.
  5 件のコメント
Wen Yang
Wen Yang 2020 年 11 月 3 日
The penny dropped. Thank you so much Ronquist for your help, patient and hardworking.


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