Calculates the Calinski-Harabasz index for evaluating clustering quality.
Usage
CalCHI(
hclust_result,
dist_matrix = NULL,
max_clusters = round(1 + 3.3 * log10(length(hclust_result$order)))
)
Arguments
- hclust_result
A hierarchical clustering object (result of hclust).
- dist_matrix
Optional distance matrix. If not provided, cophenetic is used.
- max_clusters
Integer. Maximum number of clusters to evaluate.
Value
A vector containing CH index values for each number of clusters.
Author
Zaoqu Liu; Email: liuzaoqu@163.com