Usage
calc_dunn(dist_mat, cluster_labels)
Arguments
- dist_mat
Distance matrix or numeric matrix.
- cluster_labels
Cluster assignments.
Value
Dunn index (ratio of smallest inter-cluster to largest intra-cluster distance).
Examples
data <- matrix(stats::rnorm(200), 20, 10)
cl <- factor(rep(c("A", "B"), each = 10))
dist_mat <- stats::dist(data)
calc_dunn(dist_mat, cl)
#> [1] 0.1909616
