TGL_kmeans              kmeans++ with return value similar to R kmeans
TGL_kmeans_tidy         TGL kmeans with 'tidy' output
downsample_matrix       Downsample the columns of a matrix to a target
                        number
match_clusters          Match clusters to true clusters
predict_tgl_kmeans      Predict cluster assignments for new data
simulate_data           Simulate normal data for kmeans tests
test_clustering         Test clustering performance
tglkmeans.set_parallel
                        Set parallel threads
