Writes a Pop-class as PLINK PED and MAP files
writePlink(pop, baseName, trait = 1L, snpChip = 1L, simParam = NULL,
chromLength = 10L^8)
an object of Pop-class
a character. Basename of PED and MAP files.
an integer. Which phenotype trait should be used.
an integer. Which SNP array should be used.
an object of SimParam
an integer. The size of chromosomes in base pairs; assuming all chromosomes are of the same size.