Test-drive the GATK tools and Best Practices pipelines on Terra
Check out this blog post to learn how you can get started with GATK and try out the pipelines in preconfigured workspaces (with a user-friendly interface!) without having to install anything.
I am confused about the Command-line Argument, --downsample_to_coverage.
How do I know if the walker is "locus-based" or "non-locus-based"? Your on-line guide page gives an example of each but not how to identify one type of walker from another.