bugfix-copulaCorrection-unnecessary-temp-allocation bugfix-forbid-transformed-endogenous-not-in-model bugfix-rectify-comments-and-docu development feature-copulaCorrection-allow-single-endogenous feature-ghpages-ga-token feature-githubactions-setup feature-hetErrors-new-example-data feature-heterrors-bptest feature-remove-singleuse-helper-functions feature-setup-ghpages master release-2.4.0 release-2.4.1 v.2.4.0