ChaoBunge               Coverage-duplication estimator for species
                        richness
ChaoLee1992             Coverage-based estimators for species richness
EST                     EST data
SPECIES-package         An R pacakge for species richness estimation
butterfly               Fisher's butterfly data
chao1984                Lower-bound estimator for species richness
cottontail              Cottontail 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
traffic                 Traffic data
unpmle                  Unconditional NPML estimator for the SPECIES
                        number
