warnings/approximation of observation-level variance in .get_variance…

…_distributional (#883)

* warnings/approximation of observation-level variance in .get_variance_distributional
Fixes #877

* progress

* version

* add tests

* ...

* fix issues

* fix

* tests

* ...

* fix

* tests

* add tests

* structure

* fix test

* nbinom

* add nbinom2

* add test

* test zi

* fix negbin

* fix

* comes closest

* fix

* fix

* remove temp file

* styler

* add test

* news

* fix

* fix

* fix

* try out

* typo

* lintr

* fix tests

* works with glmmadmb nbinom1

* fix

* update

* add comment

* fix

* fix

* fix

* nbinom2 works

* ...

* update

* update

* update

* fix

* fix

* use performance remotes

* add test for Gamma

* update tests

* fix

* add

* docs

* fix

* fix

* fix

* add tweedie

* check if tweedie works

* fix

* addtest

* fix test

* ...

* better warnings

DESCRIPTION

@@ -1,7 +1,7 @@
 Type: Package
 Package: insight
 Title: Easy Access to Model Information for Various Model Objects
-Version: 0.20.1.1
+Version: 0.20.1.2
 Authors@R: 
     c(person(given = "Daniel",
              family = "Lüdecke",
@@ -210,3 +210,4 @@ Roxygen: list(markdown = TRUE)
 Config/testthat/edition: 3
 Config/testthat/parallel: true
 Config/Needs/website: easystats/easystatstemplate
+Remotes: easystats/performance

NEWS.md

@@ -2,6 +2,10 @@
 
 ## General
 
+* Massive overhaul of `get_variance()`. The function should be now more
+  accurate for different distributional families, in particular for
+  mixed regression models with Beta family.
+
 * Improved accuracy of singularity-checks in `get_variance()`.
 
 # insight 0.20.1