Calculate Davies-Bouldin Index (DB)
Usage
calc_davies_bouldin(data, cluster_labels)
Arguments
- data
Matrix with features in rows, cells in columns.
- cluster_labels
Cluster assignments.
Value
Davies-Bouldin index (lower is better).
Examples
data <- matrix(stats::rnorm(200), 20, 10)
cl <- factor(rep(c("A", "B"), each = 5))
dist_mat <- stats::dist(data)
calc_davies_bouldin(data, cl)
#> [1] 2.210388
