# File lib/ai4r/clusterers/single_linkage.rb, line 158 def build_clusters_from_index_clusters(index_clusters) @distance_matrix = nil return index_clusters.collect do |index_cluster| Ai4r::Data::DataSet.new(:data_labels => @data_set.data_labels, :data_items => index_cluster.collect {|i| @data_set.data_items[i]}) end end