I have a large set of variant , i have to get allele frequency of CEU,YRI and JPT populations from 1000 genome , dbsnp132 and hapmap .
I simply don't know where to begin....should I download all 1000 genome ,dbsnp and HAPMAP database ?
what files should I download ? there is lot of downloadable data and i don't know what to download . I'm using perl to parse data generally , do anyone can explain me exactly what i should do ?
Thank you to be patient with me ,I'm novice