question: private Cluster < DendrogramModel > makeCluster ( DBIDRef lead , double depth , DBIDs members ) { final String name ; if ( members . size ( ) == 0 ) { name = "mrg_" + DBIDUtil . toString ( lead ) + "_" + depth ; } else if ( ! Double . isNaN ( depth ) && Double . isInfinite ( depth ) || ( members . size ( ) == 1 && members . contains ( lead ) ) ) { name = "obj_" + DBIDUtil . toString ( lead ) ; } else if ( ! Double . isNaN ( depth ) ) { name = "clu_" + DBIDUtil . toString ( lead ) + "_" + depth ; } else { name = "clu_" + DBIDUtil . toString ( lead ) ; } Cluster < DendrogramModel > cluster = new Cluster < > ( name , members , new DendrogramModel ( depth ) ) ; return cluster ; }
target:  Make the cluster for the given object