citrus.combinedFCSSet: loaded from citrusClustering.RData file generated by Citrus run
citrus.foldClustering: loaded from citrusClustering.RData file generated by Citrus run
citrus.foldFeatureSet: computed from first two variables using citrus.calculateFoldFeatureSet function from citrus package
Returns
Returns a list with each element corresponding to a matrix (rows as samples, columns as measured parameters) for a different cluster (for the minimum threshold specified)