Conversion to single column per locus from plink file via LEA functionality

readSnpsPed(pedfile, mapfile)

Arguments

pedfile	A `dataframe` dataframe generated from mrvip function
mapfile	A `dataframe` response dataset

Details

Function to import SNP data from a plink format into a format suitable for MrIML predicts (presence/absence of an alelle for each locus). Currently if there is missing data (NAs) it either imputes them as the mode or leaves them. A histogram is also produced of the missing data.