Add lrtest to manual (#209)

nalimilan · web-flow · commit da94d2b31620 · 2021-01-27T11:57:34.000-08:00
It would probably deserve a longer mention elsewhere, but listing it in the API is better than nothing.
diff --git a/docs/src/api.md b/docs/src/api.md
@@ -63,6 +63,7 @@ apply_schema
 fit
 response
 modelmatrix
+lrtest
 ```
 
 ### Traits
