Category "gwas"

How to replace 00 with Na excluding first row & first column using bash in comma separated file

I'm working with GWAS data, My data looks like this: IID,kgp11004425,rs11274005,kgp183005,rs746410036,kgp7979600 1,00,AG,GT,AK,00 32,AG,GG,AA,00,AT 100,TT,AA,00

CSV with Embebbed JSON using Python

I'm working with GWAS data. Need help. My data looks like this: IID,rs098083,kgp794789,rs09848309,kgp8300747,..... 63,CC,AG,GA,AA,..... 54,AT,CT,TT,AG,..... 12,