| IBS | Irritable Bowel Syndrome |
| RSA | Relative Species Abundance |
| local time point species diversity | |
| intertemporal species diversity | |
| total species diversity | |
| JSI | Jaccard Similarity Index |
| TE | Transfer Entropy |
| TEI | Transfer Entropy Indices |
| OTE | Outgoing Transfer Entropy |
| ITE | Incoming Transfer Entropy |
| MaxEnt | Maximum Entropy |
| MENets | Maximum Entropy Networks |
| OIN | Optimal Information Network |