GENLIB (version 1.0.3)

gen.founder: Get founder id numbers

Description

Returns the id numbers of the founders. Founders are defined as the individuals without parents in the genealogy (i.e., mother id=0, father id=0).

Usage

gen.founder( gen, ...)

Value

A vector of integer

See Also

gen.genealogy gen.pro gen.half.founder gen.parent

Examples

data(geneaJi) 
genJi<-gen.genealogy(geneaJi) 
There are 6 founders
gen.founder(genJi)

data(genea140) 
gen140<-gen.genealogy(genea140)
founder140<-gen.founder(gen140)  
There are 7399 founders
length(founder140)