Add back panelr-tests

[strengejacke]

No description provided.

[codecov]

Codecov Report

Merging #897 (9477e6c) into main (d57dbf3) will decrease coverage by 0.07%.
Report is 16 commits behind head on main.
The diff coverage is 47.29%.

❗ Current head 9477e6c differs from pull request most recent head 6226c58. Consider uploading reports for the commit 6226c58 to get more accurate results

@@            Coverage Diff             @@
##             main     #897      +/-   ##
==========================================
- Coverage   57.61%   57.55%   -0.07%     
==========================================
  Files         186      186              
  Lines       13697    13741      +44     
==========================================
+ Hits         7892     7908      +16     
- Misses       5805     5833      +28     

Files Changed	Coverage Δ
R/cluster_centers.R	0.00% <ø> (ø)
R/equivalence_test.R	42.91% <0.00%> (ø)
R/methods_bamlss.R	0.00% <0.00%> (ø)
R/p_function.r	91.76% <ø> (ø)
R/dominance_analysis.R	62.28% <50.76%> (-3.32%)	⬇️
R/methods_aov.R	72.76% <100.00%> (ø)
R/methods_marginaleffects.R	95.23% <100.00%> (ø)