Lüdecke D (2020). sjlabelled: Labelled Data Utility Functions (Version 1.1.6). doi: 10.5281/zenodo.1249215, https://CRAN.R-project.org/package=sjlabelled.
Corresponding BibTeX entry:
@Manual{, title = {sjlabelled: Labelled Data Utility Functions (Version 1.1.6)}, author = {Daniel Lüdecke}, year = {2020}, url = {https://CRAN.R-project.org/package=sjlabelled}, doi = {10.5281/zenodo.1249215}, }