How to use dissimilarity matrix with NbClust in R
问题 I have a dissimilarity matrix computed by other R package, TSclust with INT.PER method. I want to use the dissimilarity matrix to retrieve optimal number of clusters from NbClust(). But I get an error. How can I fix this? >library(TSclust) >library(NbClust) >INT.PER_data <- diss(data[-1], "INT.PER") >Matrix_INT.PER_data<-as.matrix(INT.PER_data) >nb <- NbClust(data=NULL, diss=Matrix_INT.PER_data, distance = NULL, min.nc = 2, max.nc = 25, method = "kmeans", index ="all") >nb Error in NbClust