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Nbclust does not work without data matrix

I tried to use the nbclust function and got the error: "Error in t (jeu)% *% jeu: requires numeric / complex matrix / vector arguments" this is how I run the function:

NbClust(input_data, diss = dissimilarity_matrix,
                        distance = NULL,
                        min.nc=2, max.nc=5, method = "ward.D2", 
                        index = "all")

the error is probably due to the fact that my data is not numeric, but a dissimilarity matrix. all other clustering algorithms do not require a data matrix, is there a way to use this function without data?

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2 answers

Some indexes require numerical data.

Therefore, a package cannot be used in your dataset unless you disable these methods / indexes.

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NbClust, , .

NbClust (data = NULL, diss = XYZ, distance = NULL... ..

( XYZ, "diss = dissimilarity_matrix" ), NULL. Usage. , , , , "data = NULL", .

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