small addition to docs
@@ -116,11 +116,12 @@ builds:
geographic_scale: division
lac-leman:
subsampling_scheme: lac-leman
- geographic_scale: composite
+ geographic_scale: division
```
These subsampling schemes for the cantons and the composite region `lac-leman` are
not one our default scheme but custom ones.
+
### Custom subsampling schemes
We implement hierarchical subsampling by producing multiple samples at different geographic scales
and merge these samples into one file for further analysis.
@@ -166,6 +167,7 @@ All entries above canton level specify priorities. Currently, we have only imple
one type of priority called `proximity`.
It attempts to selected sequences as close as possible to the focal samples
specified as `focus: division`.
+The argument of the latter has to match the name of one of the other subsamples.
If you need parameters in a way that isn't represented by the configuration file, [create a new issue in the ncov repository](https://github.com/nextstrain/ncov/issues/new) to let us know.
