ClussCluster            Performs simultaneous detection of cell types
                        and cell-type-specific signature genes
Hou_sim                 A truncated subset of the scRNA-seq expression
                        data set from Hou et.al (2016)
filter_gene             Gene Filter
plot_ClussCluster       Plots the results of 'ClussCluster'
plot_ClussCluster_Gap   Plots the results of 'ClussCluster_Gap'
print_ClussCluster      Prints out the results of 'ClussCluster'
print_ClussCluster_Gap
                        Prints out the results of 'ClussCluster_Gap'
                        Prints the gap statistics and number of genes
                        selected for each candidate tuning parameter.
sim_dat                 A simulated expression data set.
