| SPECIES-package | An R pacakge for species richness estimation |
| butterfly | Fisher's butterfly data |
| chao1984 | Lower-bound estimator for species richness |
| ChaoBunge | Coverage-duplication estimator for species richness |
| ChaoLee1992 | Coverage-based estimators for species richness |
| cottontail | Cottontail data |
| EST | EST data |
| insects | Insects data |
| jackknife | Jackknife estimator for the species richness |
| microbial | Microbial species data |
| pcg | Poisson-compound Gamma estimator for the species richness |
| pnpmle | Penalized conditional NPML estimator for species richness |
| SPECIES | An R pacakge for species richness estimation |
| traffic | Traffic data |
| unpmle | Unconditional NPML estimator for the SPECIES number |