Artificial data set with genotype information for 15 markers across 15 samples. Columns of the file must match to those of the gene expression and covariates data sets.
| snpnid | Sam_01 | Sam_02 | … |
| Snp_01 | 2 | 0 | … |
| Snp_02 | 0 | 1 | … |
| … | … | … | … |
The package website: http://www.bios.unc.edu/research/genomic_software/Matrix_eQTL/
See Matrix_eQTL_engine for reference and sample code.