data.frame
data(MFKM_numID)
mfkm_n_covariates. age, sex and pc(trait specific covariate) for 50 samples, each one has two traits
mfkm_n_gene. genotypes for 50 samples for two genes and each gene has 50 SNPs
mfkm_n_geneid. ordered sample id as in mfkm_n_gene (50 samples)
mfkm_n_weights. weight for each SNP
mfkm_n_y. sample id, trait value and trait label