Question Posted 05/18/16:
Hello sir,
I downloaded ADNI-1 dataset .
How can I add APOE genotyping data to ADNI-1 dataset
thanks in advance
Response posted 05/18/16 by Sungeun Kim:
Please look at the APOE SNPedia in the following link:

You can find how to convert e2/e3/e4 genotype to two SNP genotypes (rs429358, rs7412). After conversion, you can create plink files and use plink to merge your APOE plink files into ADNI-1 genotype plink files.