Nothing
There are two functions in this package, which can be used together to estimate the Shannon's Diversity index at different levels of sample size. A MonteCarlo procedure is used to resample a given observation at each level of sampling. The expectation being that the mean of the resampling will approach Shannon's diversity index at that sample level.
Package details 


Author  Matthew K. Lau 
Maintainer  Matthew K. Lau <mkl48@nau.edu> 
License  GPL (>= 3) 
Version  2.1 
Package repository  View on CRAN 
Installation 
Install the latest version of this package by entering the following in R:

Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.