This is a multi-step overview of Hail for genetic association studies
The basic layout, following the Hail GWAS tutorial:

We'll see how to use a very small excerpt from the 1000 genomes study to produce

Along the way, we illustrate and adjust for population stratification:

We have arranged a serialization of genotypes on chromosome 17 for 3202 1000 genomes samples.
Still to come.
Still to come.
Still to come.