How to extract het_non_ref from a mt to a csv?

[Haseeb1]

I want to extract the specific genotype information such as non_ref or het. is_non_ref just only tells true or false but how should i extract it? Help

[tpoterba]

See answer here:

Filtering By Genotype

Something like this may be what you want: mt.filter_entries(mt.GT.is_hom_var()).entries().select().export('...')