bootstrap {fossil} | R Documentation |
Computes the bootstrap species richness estimator for abundance or presence-absence data
bootstrap(x, taxa.row = TRUE, abund = TRUE, samples = NA)
x |
a vector, matrix or data frame of positive integers or zero of any size |
taxa.row |
whether each row of the matrix is a different taxon |
abund |
whether the input is abundance (or presence/absence) based |
samples |
if input is a vector file, the number of samples must be included |
The bootstrap estimator
Returns a single value for the Bootstrap Species Estimator
Matthew Vavrek
Smith, E.P. & van Belle, G. 1984. Nonparametric estimation of species richness. Biometrics 40, 119-129.
## sample vector
a<-c(0,5,1,1,2,0,0,1,0,0,8,45)
bootstrap(a,samples=45)
## matrix format
a<-matrix(c(0,5,1,1,2,0,0,1,0,0,8,45),4,3)
bootstrap(a)
bootstrap(a,,FALSE)
## presence absence matrix
a<-matrix(c(0,1,1,1,1,0,0,1,0,0,1,1),4,3)
bootstrap(a,,FALSE)