R: Vignettes and other documentation

# Vignettes and other documentation

## Vignettes from package 'missingHE'

missingHE::Fitting_MNAR_models_in_missingHE |  | Fitting MNAR models in missingHE | HTML | source | R code
missingHE::Introduction_to_missingHE |  | Introduction to missingHE | HTML | source | R code
missingHE::Longitudinal_models_in_missingHE |  | Longitudinal models in missingHE | HTML | source | R code
missingHE::Model_customisation_in_missingHE |  | Model and output customisation in missingHE | HTML | source | R code