Davies Bouldin index computation.
DB_funR(Data_cumsum, Cluster_partition, C, DIR_output, ncores = 4)
A Filebacked Big Matrix with signal cumultive sums in columns
A list of the resulting cluster assignment. Each list element correspond to a cluster with a list of data vector indices.
A matrix of cluster centroids.
An output directory for temporal files.
Number of cores. Default is 4.
A positive scalar.