Nothing
It is designed as an integrated package for genetic data analysis of both population and family data. Currently, it contains functions for sample size calculations of both populationbased and familybased designs, probability of familial disease aggregation, kinship calculation, statistics in linkage analysis, and association analysis involving genetic markers including haplotype analysis with or without environmental covariates.
Package details 


Author  Jing Hua Zhao and colleagues with inputs from Kurt Hornik and Brian Ripley 
Date of publication  20170419 11:10:23 UTC 
Maintainer  Jing Hua Zhao <[email protected]> 
License  GPL (>= 2) 
Version  1.117 
URL  http://people.ds.cam.ac.uk/jhz22/ 
Package repository  View on CRAN 
Installation 
Install the latest version of this package by entering the following in R:

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