Cluster size distribution for UniGene and d2_cluster
| Histogram of cluster sizes | ||
| cluster size | UniGene (Rat-build 19) | d2_cluster |
| Singleton clusters | 6463 | 5189 |
| 2 | 3496 | 3298 |
| 3–4 | 3002 | 2971 |
| 5–8 | 1635 | 1602 |
| 9–16 | 491 | 531 |
| 17–32 | 111 | 127 |
| 33–64 | 21 | 27 |
| 65–128 | 3 | 8 |
| 129–256 | 3 | 2 |
| 257–512 | 1 | 0 |
| Total clusters | 15,225 | 13,756 |