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Use standardized oder unstandadized input matrix X for silhouette plot?

Asked by Nadine Schmidt on 8 Sep 2019
Latest activity Commented on by Nadine Schmidt on 14 Sep 2019
I am clustering my data matrix X with hierarchical clustering by first standardize my matrix with zscore.
Now i want to plot my clusters with silhouette(X,clust). My question now is: Do i use the standardized matrix or the unstandardized matrix as matrix X for the silhouette plot?

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1 Answer

Answer by Urmila Rajpurohith on 11 Sep 2019
 Accepted Answer

You can provide either standardized or unstandardized matrix as input to the silhouette plot. You can also refer to below documentation for silhouette plot:
You can try the first example provided in the documentation with both standardized and unstandardized matrices and you find that both gives same output.

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