Alistair Miles

Cool, thank you. I'd start by copy-pasting the VLenArray codec class. During encoding, the codec makes two passes over the input, one to collect the lengths, the second to write...

Hi @NumesSanguis, sorry for radio silence on this one, I've taken a look at the PR and seems good, added a few small comments.

> A few options that come to mind: > > * Using an accessor: > > ```python > ds.genetics.sel_contig(slice('chr1')) > ``` > > * Accessor specific to functions on attributes:...

Btw apologies in advance if I get opinionated here or elsewhere. I just know I'm going to end up having to explain this to others, and it will really help...

> * Using an accessor: > > ```python > ds.genetics.sel_contig(slice('chr1')) > ``` FWIW general API design opinion, as a user I don't like xarray accessors. It's an odd piece of...

> I think it makes more sense to focus on the situation with an index though, which is a bit more clear on it's own IMO: > > ```python >...

> I'm not really thinking about xarray at all, so I'm missing lots of important technical details! Think of the above as "this is what I'd like as a user"....

> I found [ag.allsites.nonN.vcf.gz](https://console.cloud.google.com/storage/browser/_details/vo_agam_release/v3/vcf/ag.allsites.nonN.vcf.gz) which is 718 MB. Perhaps we could grab a subset of the samples in this file and drive the MalariaGEN analyses from that? (Update: nope, turns...

> I saw that you provide the data in Xarray format and serialized as Zarr, but I noticed some small discrepancies between your data model and ours, and thought working...

Hi folks, just to mention that the ability to write data from sgkit-style xarray dataset to plink format has come up again as something that would be very useful to...