Rings 1 Clusters 1 Clusters 2 Clusters 3 Clusters 4 Clusters 5 Clusters 6 Radiant 1 Radiant 2 Radiant 3 Radiant 4 Simplex Rand. dist.

t-SNE U t-SNE R t-SNE E MDS U MDS R MDS E UFDL U UFDL R UFDL E TSPUFDL U TSPUFDL R TSPUFDL E CRFDL R CEFDL E CERFDL R TSPCRFDL R TSPCEFDL E TSP R TSP E