Table 5. Descriptions of instances inserted in the test set.
| Numb. of instances | Numb. of species per group | ||
| Groups | PPI | no-PPI | |
| *Eukaryotes | 41,967 | 0 | 14 |
| *Prokaryotes | 1 | 168 | 17 |
| *Virus | 3 | 1 | 2 |
| * TOTAL | 41,971 | 169 | - |
| **Eukaryote viruses and eukaryote non-host | 0 | 13 | 14 |
| **Eukaryote parasites and host | 21 | 37 | 17 |
| **Eukaryotes | 15 | 176 | 34 |
| **Eukaryotes and prokaryotes | 31 | 13 | 16 |
| **Prokaryote viruses and host | 0 | 1 | 2 |
| **Prokaryotes | 0 | 26 | 8 |
| ** TOTAL | 67 | 266 | - |
| TOTAL | 42,038 | 435 | - |
numb, numbers.
*
, indicates PPIs and no-PPIs within the same species.
**
, indicates PPIs and no-PPIs among different species.
-, numbers not showed.