sigclust2: Statistical Significance for Hierarchical Clustering (R)

Titlesigclust2: Statistical Significance for Hierarchical Clustering (R)
Publication TypeSoftware
Year of Publication2016
AuthorsKimes, Patrick

This package may be used to assess statistical significance in hierarchical clustering. To assess significance in high-dimensional data, the approach assumes that a cluster may be well approximated by a single Gaussian (normal) distribution. Given the results of hierarchical clustering, the approach sequentially tests from the root node whether the data at each split/join correspond to one or more Gaussian distributions. The hypothesis test performed at each node is based on a Monte Carlo simulation procedure, and the family-wise error rate (FWER) is controlled across the dendrogram using a sequential testing procedure.