query on command "silhouette(X,clust)"

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Ravi Sharma
Ravi Sharma on 25 Apr 2015
Answered: Tom Lane on 28 Apr 2015
i have matrix of dimension 13x500 stored in variable X. i want cluster plot of this matrix. what do you mean by "clust" in command silhouette(X,clust)? what does it specify?pls help

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Tom Lane
Tom Lane on 28 Apr 2015
Normally if you a clustering an N-by-P matrix, CLUST will be a vector of length N that will be 1 for the points in the first cluster, 2 for the points in the second cluster, and so on. But if you are clustering columns rather than rows, you may need to transpose X.

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