Mach2dat: Association with MACH output
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Association with MACH output
After you have performed the imputation, you can directly use MACH output to assess association for quantitative and qualitative traits in unrelated.
You will need a *.ped and *.dat files in Merlin format[1] that contain the disesase status or quantitative trait of interest (indicated with A and T respectively in the dat file)
mach2dat -p myfile.ped -d myfile.dat --infofile myfile.mlinfo --dosefile myfile.mldose
where myfile.mlinfo and myfile.mldose are the MACH output files.
You can also add covariates to the phenotype *ped and *dat files if you want to adjust your test for other variables.
- Please note that mach2dat analyze only unrelated samples. If you input family relationship, those will be ignored.
If you have family data, you can use merlin-offline [2]